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The Best 40mm noctua fan of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 40mm noctua fan of 2022. Check our ranking below.

2,017 Reviews Scanned

Rank No. #1
Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
  • Premium quiet fan, 40x40x10 mm, 12V, 3-pin Molex, 4500/3700 RPM, max. 17.9 dB(A), >150,000 h MTTF
  • Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • Ideal replacement for noisy or broken 12V 4cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc.
  • 3-pin 12V FLX version can be run 4500 or 3700 rpm using the supplied Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
  • Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #2
Noctua NF-A4x20 PWM, Premium Quiet Fan for Server, 4-Pin (40x20mm, Brown)
  • Premium quiet fan, 40x40x20 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF
  • Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 40x20mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
  • 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 5000rpm maximum speed (4400rpm with supplied Low-Noise Adaptor)
  • Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #3
Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown), compatible with Desktop
  • Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 5000/4400/370 RPM, max. 14.9 dB(A), >150,000 h MTTF
  • Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 40x20mm size ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
  • 3-pin FLX version provides 5000/4400/3700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #4
Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)
  • Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >150,000 h MTTF
  • Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 40x10mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
  • 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 1000-5000rpm speed range (3700rpm max. with supplied Low-Noise Adaptor)
  • Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #5
Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
  • Premium quiet fan, 40x40x10 mm, 5V, 3-pin Molex, 4500 RPM, 17.9 dB(A), >150,000 h MTTF
  • Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • Ideal replacement for noisy or broken 5V 4cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc.
  • 3-pin 5V version with 4500rpm, not to be used at 12V (such as in PC environments)
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #6
Noctua NF-A4x10 24V PWM, 40mm Quiet Fan for 3D Printers and Other Applications, 4-Pin, 24V Version (40x10mm, Brown)
  • 24V version of Noctua’s award-winning quiet 40x10mm fan, ideal upgrade/replacement 4cm fan for 3D printing (hot end or part cooling) and other 24V applications
  • 5000rpm max., 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers (maximum airflow performance when required, near-silent at lower speeds)
  • NA-AC9 adaptor cable for popular 3D printers with JST XHP-2 2.5mm headers (e.g. Creality Ender 3 & CR-10, Anycubic Mega), ideal to improve printing performance and quietness of operation
  • Includes anti-vibration mounts, fan screws, extension cable, Low-Noise Adaptor (LNA), NA-AC9 adaptor and OmniJoin adaptor set for connecting the fan to proprietary fan headers
  • Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)
Rank No. #7
Noctua NF-A4x10 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (40x10mm, Brown)
  • Premium quiet fan, 40x40x10 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >150,000 h MTTF
  • Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 5V 4-pin PWM version (5000rpm maximum speed) with polarity protection for 5V applications with PWM speed control
  • USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #8
Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)
  • Premium quiet fan, 40x40x20 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF
  • Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 40x20mm size ideal for NVIDIA Jetson Nano, 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
  • 5V 4-pin PWM version (5000rpm maximum speed) for 5V applications with PWM control
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #9
Noctua NF-A4x20 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x20mm, Brown)
  • Premium quiet fan, 40x40x20 mm, 5V, 3-pin Molex, 5000 RPM, 14.9 dB(A), >150,000 h MTTF
  • Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • 40x20mm size ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
  • 5V 3-pin version (5000rpm) for 5V-based industrial applications or replacing 5V fans in various devices
  • Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Rank No. #10
Noctua NA-FG1-4 Sx2, Fan Grills for 40mm Fans (Set of 2, Black)
  • Premium-grade matte-black fan guards for 4cm fans, including screws and tool-free push-pin mounting system
  • Reliable protection, excellent acoustics and high airflow thanks to round struts and offset design
  • Easy-to-install push-pin mounting introduces an additional 5mm offset for reduced influx turbulence, better performance and low-noise operation
  • Set of 2 (Sx2) includes 2 fan grills, 8 fan screws and 8 tool-free push-pin mounts
  • Ideal for protecting fans in PCs and various other applications such as 3D printers or home ventilation (no risk of putting fingers inside the fan, cables hanging into the fan, etc.).

Last update on 2024-06-25 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 40mm noctua fan?

Do you get stressed out thinking about shopping for a great 40mm noctua fan? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 40mm noctua fan, which is why we have assembled a comprehensive list of the greatest 40mm noctua fan available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 40mm noctua fan that you consider buying. Your questions might include the following:

  • Is it worth buying an 40mm noctua fan?
  • What benefits are there with buying an 40mm noctua fan?
  • What factors deserve consideration when shopping for an effective 40mm noctua fan?
  • Why is it crucial to invest in any 40mm noctua fan, much less the best one?
  • Which 40mm noctua fan are good in the current market?
  • Where can you find information like this about 40mm noctua fan?

We’re convinced that you likely have far more questions than just these regarding 40mm noctua fan, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 40mm noctua fan, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 40mm noctua fan. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 40mm noctua fan buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 40mm noctua fan currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 40mm noctua fan has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 40mm noctua fan?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 40mm noctua fan.
  5. Customer Ratings: Number ratings grade 40mm noctua fan objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 40mm noctua fan.
  7. Product Quality: You don’t always get what you pay for with an 40mm noctua fan, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 40mm noctua fan is should be an indication of how long it will work out for you.

We always remember that maintaining 40mm noctua fan information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 40mm noctua fan is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

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