Yep, we may get a tiny thank-you (read: commission) when you buy through
links on Techspotr — not enough for a yacht, but enough to keep the lights (and
servers) on.
Learn more
20
Highlights
20
Differences
7
Reactions
0
Likes
Noctua NF-A20 PWM
vs
Noctua NF-A20 FLX:
20 Highlights & 20 Differences —
So, Which Fan Actually Works Better
Learn which fan offers the best control options depending on your setup.
Which one’s right for you — Noctua NF-A20 PWM or Noctua NF-A20 FLX? We’ve compared their product type, height, folded depth & folded height and more to help you choose the better fan.
Drop Test Rating: Enhanced Protection
Indicates the level of durability the packaging has against drops during handling and shipping.
with 40 points higher
Offers Moisture Protection
Indicates resistance to moisture during shipping.
with a difference of 40 points
Noctua NF-A20 PWM Vs NF-A20 FLX: Precision Cooling Face-Off
When it comes to reliable PC cooling solutions, few brands match the craftsmanship of Noctua. Both the NF-A20 PWM and NF-A20 FLX embrace high-quality materials and are designed primarily for indoor PC case installations. Each fan operates at 12V, comes with a generous 6-year warranty, and emphasizes low noise output through advanced blade balance technology and vibration reduction design. Both boast rust resistance, pet-safe builds, and a focus on energy efficiency with excellent noise-energy optimization. However, their approaches to control, physical dimensions, and performance details reveal subtle but impactful differences that could steer enthusiasts toward one or the other.
Compact Power and Refined Control: The Noctua NF-A20 PWM
The NF-A20 PWM is crafted for those seeking precise airflow management combined with a compact form factor. Measuring just 1.18 inches in height, it easily fits into tighter PC cases or setups where space is a premium. Its cable extends to 1.3 meters, providing an advantage in reach compared to its counterpart's shorter cord.
This fan stands out with a 25° blade pitch angle, which optimizes airflow precision by improving how air is pushed through the blades. Unlike the NF-A20 FLX, which lacks a specified blade pitch, the PWM's blades are fine-tuned for better air movement efficiency.
A significant benefit lies in its two speed settings controlled via Pulse Width Modulation (PWM), enabling automatic and refined adjustment of fan speed based on system temperature. This contrasts with the NF-A20 FLX's mechanical control, which offers less granularity. The PWM model also provides detailed noise levels at different speeds, boasting a 15 dB noise level at medium speed and as low as 10.7 dB at low speed, which is especially attractive for noise-sensitive PC builds.
Durability is enhanced by features such as scratch-resistant surfaces and enhanced drop protection, surpassing the FLX's more basic sturdiness. While both fans have plastic grills and bases without anti-slip bases, the added layer of protection helps in maintaining pristine condition over time.
Packaging reflects premium care, too, with regional service center support enhancing assurance for buyers, paired with straightforward unboxing via boxed packaging.
Available at $35.95 at amazon.com, the NF-A20 PWM offers good value considering the features and sophisticated control it delivers.
Reliable Simplicity and Nationwide Support with the Noctua NF-A20 FLX
The Noctua NF-A20 FLX embraces a more traditional fan design, which will appeal to users looking for straightforward functionality. At a more noticeable 7.87 inches high, this fan is better suited for PCs or environments where space constraints are minimal.
Its control scheme centers around a mechanical switch for the two speed settings, offering less nuanced speed adjustment than its PWM sibling but still dependable for basic cooling needs. While the FLX does not specify a blade pitch angle to enhance airflow, it maintains noise efficiency with blade balance technology and vibration reduction design.
Noise levels at low speed are identical to the PWM model at 10.7 dB, making it equally quiet for most users, although medium speed noise details are unlisted.
Durability is solid, with rust resistance and pet-safe construction, but the fan lacks the FLX's scratch resistance and carries only basic drop protection rather than the enhanced rating found on the PWM.
Its shorter cord length, just under a meter (0.98 m), may prove a limitation in some setups, but it remains lightweight for ease of installation. The fan's nationwide service center coverage provides peace of mind for users across the country.
This model is also competitively priced at $35.95 at Amazon.com, positioning it as a reliable but more basic choice among Noctua's offerings.
Quick Take
The NF-A20 PWM shines with its compact design and intelligent PWM speed control, perfect for PC enthusiasts who want refined airflow and quieter operation. Meanwhile, the NF-A20 FLX is a budget-friendly fan suited for users who don't require precise speed modulation but appreciate dependable noise reduction and nationwide support.
Bottom Line
For those prioritizing granular speed control, better airflow precision, and added durability, the Noctua NF-A20 PWM emerges as the superior fan. Conversely, if you want a straightforward cooling solution with simple mechanical controls and broad service coverage, the NF-A20 FLX is a solid bargain that performs well under typical conditions.
Verdict
Winner: Noctua NF-A20 PWM - Offers enhanced control via PWM, a compact form factor, detailed noise insights, and improved build durability.
Runner-up: Noctua NF-A20 FLX - Provides simple mechanical speed control, reliable quiet performance, and nationwide support at an attractive price.
Side by side. The numbers. The features. No drama.
We put Noctua NF-A20 PWM and Noctua NF-A20 FLX to the test in this ultimate fans comparison. Dive into detailed specs, shopper feedback, and real-world use cases to see which fan comes out ahead — and why it might matter to you.
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX are designed for PC Case installation, making either a perfect choice for enhancing your PC cooling setup in an indoor environment.
Indicates the supported placement locations for the fan.
In the battle of Installation Location,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Installation Location on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Noctua NF-A20 PWM and Noctua NF-A20 FLX are both categorized as PC Cooling Fans, directly targeting enthusiasts and professionals seeking premium cooling solutions for their computer systems.
Identifies the physical design and form factor of the fan.
In the battle of Product Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Product Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX offer 2 speed settings, providing users with simple control over airflow intensity, making either ideal for adjustable performance needs.
Shows how many distinct speed levels the fan offers.
In the battle of Speed Settings Count,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Speed Settings Count on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Neither Noctua NF-A20 PWM nor Noctua NF-A20 FLX includes a timer function, so users looking for timed operation may need to look at different models or external controllers.
Indicates whether the fan can be set to run for a preset time.
In the battle of Timer Function,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Timer Function on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Fan Category
What category does this fan belong to?
66
Noctua NF-A20 PWM
0Votes
Industrial
46
Noctua NF-A20 FLX
0Votes
Household
Noctua NF-A20 PWM
This fan is categorized for Industrial use, designed to handle more demanding cooling tasks.
Defines the general usage category the fan is designed for.
In the battle of Fan Category,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Category on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Intended Use
Where can this fan be used?
56
Noctua NF-A20 PWM
0Votes
Indoor
56
Noctua NF-A20 FLX
0Votes
Indoor
vs
Intended Use
Noctua NF-A20 PWM and Noctua NF-A20 FLX are both intended for indoor use, ensuring reliable performance within indoor environments with similar application suitability.
Specifies where the fan is suitable to operate.
In the battle of Intended Use,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Intended Use on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Control Method
How is this fan controlled?
21
Noctua NF-A20 PWM
0Votes
Switch Control
21
Noctua NF-A20 FLX
0Votes
Switch Control
Describes how users interact with and control the fan.
In the battle of Control Method,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Method on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Oscillation
Does the fan oscillate?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan can oscillate to cover a wider area.
In the battle of Oscillation,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Oscillation on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Adjustable Tilt
Can the fan tilt up or down?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Shows if the fan head angle can be adjusted vertically.
In the battle of Adjustable Tilt,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Adjustable Tilt on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Remote
Is a remote control included?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Specifies whether a remote control is included in the package.
In the battle of Remote,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Remote on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Smart Ready
Is this fan smart-ready?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates compatibility with smart features or ecosystems.
In the battle of Smart Ready,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Smart Ready on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Release Year
What year was this fan released?
75
Noctua NF-A20 PWM
0Votes
2017
75
Noctua NF-A20 FLX
0Votes
2017
Shows the year the model was first released to market.
In the battle of Release Year,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Release Year on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
The height of Noctua NF-A20 PWM is 1.18 inches, whereas the Noctua NF-A20 FLX measures significantly taller at 7.87 inches. The FLX's larger size may affect fitting in compact spaces, making PWM better for tight installations.
Measures the vertical height of the fan in operating position.
In the battle of Height,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
lower
6.7 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
vs
Package Height
Package Height for Noctua NF-A20 PWM is 9.8 inches, while for the Noctua NF-A20 FLX it is not available, so users cannot fully compare packaging dimensions between the two.
Measures the height of the fan’s packaging box.
Don’t keep it to yourself — be the first to react and review the
Package Height on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
The cord length of Noctua NF-A20 PWM is 1.3 ft, which is slightly longer than Noctua NF-A20 FLX's 0.98 ft. This offers a bit more flexibility in fan placement for the PWM model.
Indicates the length of the power cord for flexible placement.
In the battle of Cord Length,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
0.3 ft
measurement.
Don’t keep it to yourself — be the first to react and review the
Cord Length on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
vs
Blade Pitch Angle
Noctua NF-A20 PWM features a blade pitch angle of 25°, whereas Noctua NF-A20 FLX does not provide this specification. The known 25° angle contributes to efficient airflow in the PWM model.
Indicates the angle of the blades that affects airflow efficiency.
Don’t keep it to yourself — be the first to react and review the
Blade Pitch Angle on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Indicates how far the fan head can tilt vertically.
Don’t keep it to yourself — be the first to react and review the
Vertical Adjustment Angle on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX do not support wind mode, signifying standard airflow without specialized modes for different wind patterns.
Indicates whether the fan offers varying wind-style airflow.
In the battle of Wind Mode,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Wind Mode on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Neither Noctua NF-A20 PWM nor Noctua NF-A20 FLX supports reverse airflow, so both fans provide unidirectional cooling suitable for typical PC cooling requirements.
Allows reversing airflow direction for circulation purposes.
In the battle of Reverse Airflow,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Reverse Airflow on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Fan Blade Diameter
What is the blade diameter?
7.87
inch
0Votes
7.87
inch
0Votes
Noctua NF-A20 PWM
Fan blade diameter is 7.87 inches (20 cm), a suitable size for case cooling fans.
Represents the diameter of the fan blades influencing airflow volume.
In the battle of Fan Blade Diameter,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
, delivering
equal
7.87 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Blade Diameter on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Number of Blades
How many blades does the fan have?
64
Noctua NF-A20 PWM
0Votes
9
64
Noctua NF-A20 FLX
0Votes
9
Noctua NF-A20 PWM
The fan features a total of 9 blades, which influences the air moving efficiency and noise level.
Shows how many blades the fan uses to generate airflow.
In the battle of Number of Blades,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Number of Blades on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Maximum Speed
What is the maximum fan speed?
69
Noctua NF-A20 PWM
0Votes
800 RPM
72
Noctua NF-A20 FLX
0Votes
800 RPM
Noctua NF-A20 PWM
Maximum rotational speed reaches 800 RPM, delivering strong airflow performance when required.
Represents the highest operational speed setting of the fan.
In the battle of Maximum Speed,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Speed on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Minimum Speed
What is the minimum fan speed?
56
Noctua NF-A20 PWM
0Votes
350 RPM
56
Noctua NF-A20 FLX
0Votes
550 RPM
Noctua NF-A20 PWM
Minimum speed is set at 350 RPM, providing gentle airflow at the lowest setting.
Shows the lowest operational speed for gentle airflow.
In the battle of Minimum Speed,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Minimum Speed on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Airflow Coverage Area
What area size can this fan cover?
50
ft
0Votes
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Noctua NF-A20 PWM
The airflow coverage area extends to 50 ft (15.24 m), indicating effective air circulation within moderate spaces.
Indicates the recommended area size the fan can cool effectively.
Don’t keep it to yourself — be the first to react and review the
Airflow Coverage Area on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Cooling Effectiveness Rating
How effective is the fan at cooling?
96
Noctua NF-A20 PWM
0Votes
Excellent
86
Noctua NF-A20 FLX
0Votes
Very Good
Noctua NF-A20 PWM
Cooling effectiveness rating is Excellent, reflecting efficient thermal management capabilities.
Represents an overall qualitative rating of how effectively the fan cools a space.
In the battle of Cooling Effectiveness Rating,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
10 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cooling Effectiveness Rating on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Airflow Capacity
How strong is the airflow capacity?
76
Noctua NF-A20 PWM
0Votes
Very High
66
Noctua NF-A20 FLX
0Votes
High
Indicates the overall strength of airflow produced by the fan.
In the battle of Airflow Capacity,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
10 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airflow Capacity on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Airflow Distance
How far does the airflow reach?
6
ft
0Votes
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Measures how far the air can effectively travel from the fan.
Don’t keep it to yourself — be the first to react and review the
Airflow Distance on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Oscillation Angle
What is the oscillation angle?
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Shows the range of side-to-side airflow movement.
Don’t keep it to yourself — be the first to react and review the
Oscillation Angle on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Horizontal Adjustment Angle
How much horizontal adjustment is available?
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Measures the adjustable horizontal angle of airflow direction.
Don’t keep it to yourself — be the first to react and review the
Horizontal Adjustment Angle on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Natural Breeze Mode
Does it support natural breeze mode?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Simulates outdoor-like natural breeze patterns.
In the battle of Natural Breeze Mode,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Natural Breeze Mode on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Turbo Mode
Is turbo mode available?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Enables maximum airflow output for rapid cooling.
In the battle of Turbo Mode,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
vs
Noise Level Medium Speed
Noctua NF-A20 PWM has a noise level of 15 dB at medium speed, while Noctua NF-A20 FLX lacks this data. This suggests PWM might have a quantified noise profile for medium speed atmospheres.
Measures the noise output at medium fan speed.
Based on community votes for Noise Level Medium Speed,
Noctua NF-A20 PWM ◉ earned
1 votes,
more than
Noctua NF-A20 FLX ◉,
which got 0 votes.
The noise level at low speed is 10.7 dB for both Noctua NF-A20 PWM and Noctua NF-A20 FLX, showing equally quiet performance in low-speed operation suitable for silent environments.
Indicates the sound level produced when operating at the lowest speed.
In the battle of Noise Level Low Speed,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
, delivering
equal
10.70 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Low Speed on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX include vibration reduction design, promoting quieter operation and enhanced durability through reduced vibration.
Shows whether the fan includes features to reduce vibration.
In the battle of Vibration Reduction Design,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Vibration Reduction Design on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX use blade balance technology, enhancing smooth rotation and reducing noise, making both good choices for quiet PC builds.
Shows if blade balancing is used to minimize wobble and noise.
In the battle of Blade Balance Technology,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Blade Balance Technology on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Neither Noctua NF-A20 PWM nor Noctua NF-A20 FLX offers night mode noise control, so both models do not have specialized noise reductions for nighttime operation.
Automatically optimizes noise levels for nighttime use.
In the battle of Night Mode Noise Control,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Night Mode Noise Control on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Noise Level High Speed
How loud is the fan on high speed?
18.1
dB
0Votes
18.1
dB
0Votes
Noctua NF-A20 PWM
Noise level at high speed is measured at 18.1 dB, remaining quiet even at maximum operation.
Shows the maximum noise level at the highest speed setting.
In the battle of Noise Level High Speed,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
, delivering
equal
18.10 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level High Speed on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Ultra-Quiet Mode
Does the fan have an ultra-quiet mode?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Noctua NF-A20 FLX
Ultra-Quiet Mode allows for minimal noise operation, making it suitable for quiet environments like bedrooms or offices.
This feature is beneficial for people who are sensitive to noise while working or sleeping.
Indicates a special mode designed to minimize noise output.
In the battle of Ultra-Quiet Mode,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Ultra-Quiet Mode on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Motor Noise Isolation
Is motor noise isolated?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Noctua NF-A20 FLX
Motor Noise Isolation enhances operational quietness, making it ideal for sensitive environments.
Indicates whether the motor is isolated to reduce noise transfer.
In the battle of Motor Noise Isolation,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Motor Noise Isolation on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Noise Certification
Does the fan have a noise certification?
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Indicates any official noise or quiet-operation certification.
Don’t keep it to yourself — be the first to react and review the
Noise Certification on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Audible Clicks During Operation
Are there clicking sounds during operation?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether clicking sounds are heard during use.
In the battle of Audible Clicks During Operation,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Audible Clicks During Operation on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
vs
Power Consumption Medium
Power consumption at medium speed is specified as 1.2 Watts for Noctua NF-A20 PWM but unavailable for Noctua NF-A20 FLX, indicating PWM's more clearly defined energy usage at this setting.
Shows the power usage at medium speed operation.
Based on community votes for Power Consumption Medium,
Noctua NF-A20 PWM ◉ earned
1 votes,
more than
Noctua NF-A20 FLX ◉,
which got 0 votes.
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX require 12 Volt power input, ensuring compatibility with standard PC power supplies.
Specifies the required operating voltage.
In the battle of Voltage Requirement,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
, delivering
equal
12.00 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Voltage Requirement on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Surge protection is not available in either Noctua NF-A20 PWM or Noctua NF-A20 FLX, so users should consider external surge protection to safeguard their devices.
Protects the fan from electrical power surges.
In the battle of Surge Protection,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Surge Protection on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Neither Noctua NF-A20 PWM nor Noctua NF-A20 FLX is battery operated, indicating both rely on external power sources suitable for permanent PC installations.
Indicates whether the fan can run on battery power.
In the battle of Battery Operated,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Battery Operated on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Power Consumption Low
How much power is used on low speed?
0.5
Watt
0Votes
0.6
Watt
0Votes
Noctua NF-A20 PWM
Power consumption at low operation is a minimal 0.5 Watts, favoring energy savings.
Indicates the power used when the fan operates at low speed.
In the battle of Power Consumption Low,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
lower
0.1 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption Low on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Power Consumption High
How much power is used on high speed?
1.68
Watt
0Votes
1.08
Watt
0Votes
Noctua NF-A20 FLX
Power Consumption High is rated at 1.08 Watt, which indicates the maximum power usage during operation.
Represents the power draw at maximum speed.
In the battle of Power Consumption High,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
higher
0.6 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Consumption High on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Maximum Wattage
What is the maximum wattage?
1.68
Watt
0Votes
1.08
Watt
0Votes
Noctua NF-A20 PWM
The maximum wattage consumption is 1.68 Watts, indicating very low power requirements for efficient operation.
Indicates the maximum electrical power the fan can draw.
In the battle of Maximum Wattage,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
higher
0.6 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Wattage on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Frequency Requirement
What power frequency is required?
60
Hz
0Votes
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Noctua NF-A20 PWM
Frequency requirement is 60 Hz, matching standard electrical systems in North America and elsewhere.
Shows the required electrical frequency for operation.
Don’t keep it to yourself — be the first to react and review the
Frequency Requirement on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Motor Type
What type of motor does it use?
86
Noctua NF-A20 PWM
0Votes
Brushless DC
86
Noctua NF-A20 FLX
0Votes
Brushless DC
Noctua NF-A20 PWM
Utilizes a brushless DC motor, known for higher efficiency, lower noise, and longer lifespan compared to brushed motors.
Identifies the type of motor driving the fan.
In the battle of Motor Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Motor Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Energy Saving Mode
Does the fan have an energy-saving mode?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan includes a mode to reduce power usage.
In the battle of Energy Saving Mode,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Energy Saving Mode on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Standby Power Usage
How much power is used in standby?
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
0
Watt
0Votes
Shows power consumed when the fan is on standby.
Don’t keep it to yourself — be the first to react and review the
Standby Power Usage on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Motor Efficiency Rating
How efficient is the motor?
96
Noctua NF-A20 PWM
0Votes
Very High
96
Noctua NF-A20 FLX
0Votes
Very High
Indicates how efficiently the fan’s motor converts electrical power into airflow performance.
In the battle of Motor Efficiency Rating,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Motor Efficiency Rating on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Overheat Protection
Is there overheat protection?
Yes
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Automatically shuts down the fan if overheating is detected.
In the battle of Overheat Protection,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Overheat Protection on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both Noctua NF-A20 PWM and Noctua NF-A20 FLX use a switch control panel type, providing straightforward and familiar user interfaces for operation.
Identifies the physical control interface on the fan itself.
In the battle of Control Panel Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Panel Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Noctua NF-A20 PWM does not feature mechanical controls, whereas Noctua NF-A20 FLX includes mechanical controls, potentially offering more tactile user interaction in the FLX model.
Shows whether traditional mechanical switches or dials are used.
In the battle of Mechanical Controls,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Mechanical Controls on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Indicates the effective distance the remote control can operate from.
Don’t keep it to yourself — be the first to react and review the
Remote Control Range on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Neither Noctua NF-A20 PWM nor Noctua NF-A20 FLX includes auto shut-off features, so manual power management is required for both.
Automatically turns off the fan under certain conditions.
In the battle of Auto Shut-Off,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Auto Shut-Off on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Touch Controls
Does the fan have touch controls?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan supports touch-sensitive controls.
In the battle of Touch Controls,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Touch Controls on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
App Control
Can the fan be controlled with an app?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan can be controlled via a mobile app.
In the battle of App Control,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
App Control on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Voice Assistant
Does it support voice assistants?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Shows compatibility with voice assistants for hands-free control.
In the battle of Voice Assistant,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Preset Programs
Are there preset programs?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether pre-configured operation modes are available.
In the battle of Preset Programs,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Preset Programs on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Child Lock
Is there a child lock feature?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Prevents accidental setting changes by children.
In the battle of Child Lock,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Child Lock on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Memory Function
Does it remember previous settings?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Remembers the last used settings when turned back on.
In the battle of Memory Function,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Memory Function on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Display Screen
Is there a display screen?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan includes a digital display.
In the battle of Display Screen,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Screen on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Allows adjusting the brightness of the display.
In the battle of Display Brightness Adjustment,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Display Brightness Adjustment on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Control Responsiveness
How responsive are the controls?
96
Noctua NF-A20 PWM
0Votes
Instant
96
Noctua NF-A20 FLX
0Votes
Instant
Indicates how quickly the fan responds to user inputs from buttons, remote, or app.
In the battle of Control Responsiveness,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Control Responsiveness on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Scratch Resistant,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Scratch Resistant on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Anti-Slip Base,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Slip Base on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Main Body Material
What is the main body made of?
26
Noctua NF-A20 PWM
0Votes
Plastic
26
Noctua NF-A20 FLX
0Votes
Plastic
Noctua NF-A20 PWM
The main body material is Plastic, balancing durability with lightweight characteristics.
Identifies the primary material used for the fan housing.
In the battle of Main Body Material,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Main Body Material on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Blade Material
What material are the blades made from?
56
Noctua NF-A20 PWM
0Votes
Plastic
56
Noctua NF-A20 FLX
0Votes
Plastic
Noctua NF-A20 PWM
The blade material is Plastic, ensuring lightweight blades that produce less inertia.
Indicates the material used for the fan blades.
In the battle of Blade Material,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Blade Material on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Finish Type
What type of finish does it have?
66
Noctua NF-A20 PWM
0Votes
Matte
66
Noctua NF-A20 FLX
0Votes
Matte
Describes the surface finish of the fan exterior.
In the battle of Finish Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Finish Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Color Options
What colors are available?
69
Noctua NF-A20 PWM
0Votes
Brown/Beige
57
Noctua NF-A20 FLX
0Votes
Brown/Beige
Lists available color choices for the fan.
In the battle of Color Options,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
12 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of UV Resistant,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
UV Resistant on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Build Quality Grade
How is the build quality rated?
86
Noctua NF-A20 PWM
0Votes
Premium
86
Noctua NF-A20 FLX
0Votes
Premium
Represents the overall construction quality and durability level of the fan.
In the battle of Build Quality Grade,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Build Quality Grade on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Weather Resistance Rating
What is the weather resistance rating?
0
Noctua NF-A20 PWM
0Votes
None
0
Noctua NF-A20 FLX
0Votes
None
Indicates the level of protection against weather elements such as rain or humidity.
In the battle of Weather Resistance Rating,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Weather Resistance Rating on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Both fans have lightweight designs which is perfect for porting them around but the NF-A20 PWM's power plug type is Type B which feels a bit better for my setup.
Shows whether the fan supports ceiling installation.
In the battle of Ceiling Mount Compatible,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Ceiling Mount Compatible on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates whether the fan can stand freely on the floor.
In the battle of Floor Standing Compatible,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Floor Standing Compatible on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Adjustable Height,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Adjustable Height on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates whether assembly can be done without tools.
In the battle of Tool-Free Assembly,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Tool-Free Assembly on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Mounting Type
What type of mounting does the fan use?
46
Noctua NF-A20 PWM
0Votes
Case Mounted
46
Noctua NF-A20 FLX
0Votes
Case Mounted
Noctua NF-A20 PWM
The mounting type is Case Mounted, designed specifically for attachment to computer or electronic device cases.
Defines the primary mounting or placement style of the fan.
In the battle of Mounting Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Mounting Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Wall Mount Compatible
Can this fan be wall mounted?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the fan can be mounted on a wall.
In the battle of Wall Mount Compatible,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Wall Mount Compatible on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Desk Placement Compatible
Can it be placed on a desk?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Shows whether the fan is suitable for desk or tabletop use.
In the battle of Desk Placement Compatible,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Desk Placement Compatible on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Mounting Hardware
Is mounting hardware included?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Specifies whether required mounting hardware is included.
In the battle of Mounting Hardware,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Mounting Hardware on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Installation Difficulty Level
How difficult is installation?
96
Noctua NF-A20 PWM
0Votes
Easy
96
Noctua NF-A20 FLX
0Votes
Easy
Describes the overall complexity of installation.
In the battle of Installation Difficulty Level,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Installation Difficulty Level on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
The fire resistance rating is Flame Retardant, indicating materials minimize fire risk by self-extinguishing or slowing flame spread.
Indicates the fan’s resistance to fire or high heat conditions.
In the battle of Fire Resistance Rating,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Fire Resistance Rating on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Tip-Over Protection,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Tip-Over Protection on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Protects the fan from electrical overcurrent conditions.
In the battle of Overcurrent Protection,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Overcurrent Protection on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Blade Guard Design
What type of blade guard design is used?
36
Noctua NF-A20 PWM
0Votes
Standard Grill
56
Noctua NF-A20 FLX
0Votes
Enclosed Guard
Noctua NF-A20 PWM
It comes with a Standard Grill blade guard design, providing basic protection while allowing airflow.
Describes the protective structure used to cover the fan blades.
In the battle of Blade Guard Design,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
lower
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Blade Guard Design on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Child-Safe Design
Is the fan child-safe?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Noctua NF-A20 FLX
Child-Safe Design ensures that the fan is safe for use around children, reducing the risk of injury.
Indicates features designed to protect children.
In the battle of Child-Safe Design,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Child-Safe Design on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Compliance Standards
What compliance standards does it meet?
85
Noctua NF-A20 PWM
0Votes
CE, RoHS
85
Noctua NF-A20 FLX
0Votes
CE, RoHS
Noctua NF-A20 FLX
Compliance Standards such as CE and RoHS indicate that the product meets European safety and environmental standards.
Lists safety, quality, or regulatory standards the fan complies with.
In the battle of Compliance Standards,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Compliance Standards on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Electrical Safety Certification
Is the fan electrically certified?
86
Noctua NF-A20 PWM
0Votes
CE
86
Noctua NF-A20 FLX
0Votes
CE
Indicates official electrical safety certification.
In the battle of Electrical Safety Certification,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Electrical Safety Certification on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Safety Auto Stop
Does it have automatic safety stop?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Automatically stops operation when a safety issue is detected.
In the battle of Safety Auto Stop,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Auto Stop on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Cleaning Frequency Recommendation suggests cleaning should occur as needed, promoting ease of maintenance.
Provides guidance on how often the fan should be cleaned for optimal performance.
In the battle of Cleaning Frequency Recommendation,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Frequency Recommendation on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Shows whether fan blades can be detached for maintenance.
In the battle of Removable Blades,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Removable Blades on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Identifies the type of filter used, if applicable.
In the battle of Filter Type,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Type on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Maintenance Skill Level
What skill level is required for maintenance?
16
Noctua NF-A20 PWM
0Votes
Basic
16
Noctua NF-A20 FLX
0Votes
Basic
Noctua NF-A20 FLX
Maintenance Skill Level is rated as Basic, indicating that minimal technical knowledge is required for upkeep.
This makes it accessible for most users.
Indicates the level of skill needed for maintenance tasks.
In the battle of Maintenance Skill Level,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Skill Level on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Removable Grill
Is the grill removable for cleaning?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether the safety grill can be removed for cleaning.
In the battle of Removable Grill,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Removable Grill on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Easy Clean Design
Is the fan easy to clean?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Indicates a design optimized for quick and simple cleaning.
In the battle of Easy Clean Design,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Easy Clean Design on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Filter Replacement Indicator
Is there a filter replacement indicator?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Alerts users when the filter needs replacement or cleaning.
In the battle of Filter Replacement Indicator,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Service Access Panels
Are there service access panels?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Shows whether access panels are provided for servicing.
In the battle of Service Access Panels,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Service Access Panels on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates whether the fan can connect to a Wi-Fi network for smart and remote control features.
In the battle of Wi-Fi Connectivity,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Wi-Fi Connectivity on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates whether cloud access is required for smart features.
In the battle of Cloud Dependency,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Dependency on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Bluetooth Connectivity
Does the fan support Bluetooth connectivity?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Shows whether the fan supports Bluetooth for direct local device pairing and control.
In the battle of Bluetooth Connectivity,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Smart Home Ecosystem
Which smart home systems are supported?
Who knows?
0Votes
Noctua NF-A20 PWM
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NF-A20 FLX
(Help us out by suggesting one!)
Indicates supported smart home platforms.
Don’t keep it to yourself — be the first to react and review the
Smart Home Ecosystem on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Firmware Update
Does the fan support firmware updates?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates whether firmware updates are supported.
In the battle of Firmware Update,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Scheduling via App
Can schedules be set via the app?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Allows users to schedule operation times through an app.
In the battle of Scheduling via App,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Scheduling via App on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Geofencing
Does it support geofencing?
No
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Enables operation based on user location.
In the battle of Geofencing,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Geofencing on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Estimates the environmental impact of the fan based on production and usage.
In the battle of Carbon Footprint Estimate,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
lower
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carbon Footprint Estimate on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Noise-Energy Optimization,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Noise-Energy Optimization on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Annual Energy Consumption
How much energy does the fan use annually?
96
Noctua NF-A20 PWM
0Votes
Very Low
96
Noctua NF-A20 FLX
0Votes
Very Low
Noctua NF-A20 FLX
Annual Energy Consumption rated as Very Low signifies that the fan operates efficiently with minimal electricity usage.
Represents the estimated amount of energy the fan consumes over a year of typical use.
In the battle of Annual Energy Consumption,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Annual Energy Consumption on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Recyclable Materials
Are recyclable materials used?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Noctua NF-A20 FLX
This product features recyclable materials, contributing to its environmental sustainability.
Using such materials helps reduce waste and can be part of a larger effort towards eco-friendly practices.
Indicates whether recyclable materials are used in construction.
In the battle of Recyclable Materials,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Recyclable Materials on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Low Power Standby
Does it use low power in standby?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Shows reduced power usage when idle or on standby.
In the battle of Low Power Standby,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Power Standby on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Indicates use of eco-friendly packaging materials.
In the battle of Sustainable Packaging,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Sustainable Packaging on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Environmental Certifications
Does it have environmental certifications?
0
Noctua NF-A20 PWM
0Votes
None
0
Noctua NF-A20 FLX
0Votes
None
Lists recognized environmental certifications.
In the battle of Environmental Certifications,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Environmental Certifications on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Protective inserts enhance safety by preventing accidental contact with moving parts.
This feature is vital for ensuring user safety during operation.
Indicates whether internal inserts are used to protect components.
In the battle of Protective Inserts,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Protective Inserts on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
In the battle of Unboxing Complexity,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Unboxing Complexity on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Stackable Packaging
Is the packaging stackable?
Yes
0Votes
Noctua NF-A20 PWM
Yes
0Votes
Noctua NF-A20 FLX
Noctua NF-A20 FLX
Stackable Packaging allows for efficient storage and transportation of multiple units.
Shows whether boxes are designed to be stacked safely.
In the battle of Stackable Packaging,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Stackable Packaging on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Number of Units per Box
How many units are in one box?
46
Noctua NF-A20 PWM
0Votes
1
46
Noctua NF-A20 FLX
0Votes
1
Indicates how many fan units are packed in a single box.
In the battle of Number of Units per Box,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Number of Units per Box on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Moisture Protection
Is there moisture protection?
Yes
0Votes
Noctua NF-A20 PWM
No
0Votes
Noctua NF-A20 FLX
Indicates resistance to moisture during shipping.
In the battle of Moisture Protection,
Noctua NF-A20 PWM ◉ is
better than
Noctua NF-A20 FLX ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Moisture Protection on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
A warranty duration of 6 years signifies a strong commitment from the manufacturer to quality and durability.
Indicates the total length of warranty coverage provided.
In the battle of Warranty Duration,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Warranty Duration on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Customer support is accessible via Email and Support Portal, providing direct and online assistance.
Lists available ways to contact customer support.
In the battle of Customer Support Channels,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Customer Support Channels on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Shows whether optional extended warranty plans are offered.
In the battle of Extended Warranty,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates the time range during which customer support services are available.
In the battle of Support Availability Hours,
Noctua NF-A20 PWM ◉ is
same as
Noctua NF-A20 FLX ◉
.
Don’t keep it to yourself — be the first to react and review the
Support Availability Hours on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Indicates geographic availability of service centers.
In the battle of Service Center Coverage,
Noctua NF-A20 PWM ◉ is
worse than
Noctua NF-A20 FLX ◉
, delivering
lower
25 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Center Coverage on Noctua NF-A20 PWM ◉
vs Noctua NF-A20 FLX ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Airflow Performance
How well does this fans move air to cool a room?
Powerful cooling — Over 500 CFM
0Votes
0Votes
Very good airflow — 400 to 500 CFM
0Votes
0Votes
Moderate airflow — 300 to 399 CFM
0Votes
0Votes
Weak airflow — 200 to 299 CFM
0Votes
0Votes
Barely noticeable — Under 200 CFM
0Votes
0Votes
Energy Consumption
How energy efficient is this fans during daily use?
Ultra efficient — Under 30 watts
0Votes
0Votes
Very efficient — 30 to 45 watts
0Votes
0Votes
Average efficiency — 46 to 60 watts
0Votes
0Votes
Power hungry — 61 to 80 watts
0Votes
0Votes
Very inefficient — Over 80 watts
0Votes
0Votes
Noise Level
How quiet is this fans when running at normal speed?
Whisper quiet — Barely audible even at night
0Votes
0Votes
Mostly quiet — Soft background noise
0Votes
0Votes
Noticeable sound — Clearly audible but tolerable
0Votes
0Votes
Quite loud — Often distracting
0Votes
0Votes
Very loud — Hard to ignore
0Votes
0Votes
Ease of Setup
How easy is it to set up and start using this fans?
Effortless setup — Ready to use in minutes
0Votes
0Votes
Easy setup — Simple steps with clear guidance
0Votes
0Votes
Average setup — Takes some time and attention
0Votes
0Votes
Tricky setup — Instructions feel unclear
0Votes
0Votes
Frustrating setup — Time consuming and confusing
0Votes
0Votes
Size and Room Coverage
How well does the size of this fans match typical room needs?
Great coverage — Cools rooms over 300 sq ft
0Votes
0Votes
Very good coverage — 200 to 300 sq ft
0Votes
0Votes
Adequate coverage — 120 to 199 sq ft
0Votes
0Votes
Limited coverage — 60 to 119 sq ft
0Votes
0Votes
Too small — Under 60 sq ft
0Votes
0Votes
Durability and Lifespan
How long does this fans usually last with regular use?
Built for the long run — Over 8 years
0Votes
0Votes
Very durable — 6 to 8 years
0Votes
0Votes
Average lifespan — 4 to 6 years
0Votes
0Votes
Short lifespan — 2 to 4 years
0Votes
0Votes
Breaks quickly — Under 2 years
0Votes
0Votes
Control and Features
How convenient are the controls and features on this fans?
Very convenient — Remote and multiple smart features
0Votes
0Votes
Easy to use — Simple buttons with useful options
0Votes
0Votes
Basic controls — Limited but functional
0Votes
0Votes
Clunky controls — Hard to adjust settings
0Votes
0Votes
Poor controls — Confusing and inconvenient
0Votes
0Votes
Comfort and Daily Use Experience
How comfortable is it to use this fans for long periods?
Very comfortable — Pleasant airflow all day
0Votes
0Votes
Comfortable — Feels nice for extended use
0Votes
0Votes
Acceptable comfort — Fine for short periods
0Votes
0Votes
Uncomfortable — Airflow feels annoying
0Votes
0Votes
Very uncomfortable — Hard to enjoy using it
0Votes
0Votes
Design and Appearance
How does this fans look in a home or office setting?
Stylish design — Looks modern and attractive
0Votes
0Votes
Nice appearance — Blends well with decor
0Votes
0Votes
Neutral look — Nothing special but fine
0Votes
0Votes
Awkward design — Feels outdated
0Votes
0Votes
Unappealing look — Bulky and unattractive
0Votes
0Votes
Pricing
How does the price of this fans feel for what it offers?
Supermod
Moderator
Recaptor
