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Noctua NF-A14 FLX, Premium Quiet Fan, 3-Pin (140mm, Brown)

4.9 out of 5 stars 535 ratings

$23.94
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  • Premium quiet fan, 140x140x25 mm, 12V, 3-pin Molex, 1200/1050/900 RPM, max. 19.2 dB(A), >150,000 h MTTF
  • Award-winning 140x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
  • Square frame design is ideal for water cooling radiators (AIO or DIY), PC cases and other chassis (intake & exhaust), cabinet ventilation, etc.
  • 3-pin FLX version provides 1200/1050/900rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
  • Includes anti-vibration mounts, fan screws, Low-Noise & Ultra-Low-Noise Adaptors, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply

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Product Description

NF-A14 FLX Header

The NF-A14 is a premium quality quiet 140mm fan with a square frame that complies with Noctua’s AAO(Advanced Acoustic Optimisation) standard. Its square shape and 140mm mounting holes (124.5mm spacing) make it ideal for use on watercooling radiators or as an upgrade for 140mm case fans. Featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A14 further improves the renowned quiet cooling performance of the award-winning NF-P14. The FLX version provides 1200/1050/900rpm speed settings via the supplied Low-Noise Adaptors in order to provide full flexibility in fine-tuning the fan for maximum ventilation performance or near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.

NF-A14 PWM table NF-A14 FLX table NF-A14 ULN table NF-A14 5V table NF-A14 5V table NF-A14 PWM chromax.black.swap table
NF-A14 PWM NF-A14 FLX NF-A14 ULN NF-A14 5V PWM NF-A14 5V NF-A14 PWM chromax.black.swap
Voltage 12 V 12 V 12 V 5 V 5 V 12 V
Connector 4-pin PWM 3-pin 3-pin 4-pin PWM 3-pin 4-pin PWM
RPM Max: 1500 / Min: 300 1200 800 Max: 1500 / Min: 300 1500 Max: 1500 / Min: 300
RPM with L.N.A. 1200 1050 650 - - -
RPM with U.L.N.A. - 900 - - - -
Acoustical Noise 24,6 dB(A) 19,2 dB(A) 11,9 dB(A) 24,6 dB(A) 24,6 dB(A) 24,6 dB(A)
Acoustical Noise with L.N.A. 19,2 dB(A) 16,4 dB(A) 9,1 dB(A) - - -
Acoustical Noise with U.L.N.A. - 13,8 dB(A) - - - -
Size 140x140x25 140x140x25 140x140x25 140x140x25 140x140x25 140x140x25
Colour Brown & Beige Brown & Beige Brown & Beige Brown & Beige Brown & Beige Black with swappable coloured anti-vibration pads

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Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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Customer reviews

4.9 out of 5 stars
4.9 out of 5
535 global ratings

Top reviews from the United States

Reviewed in the United States 🇺🇸 on July 30, 2022
Reviewed in the United States 🇺🇸 on July 22, 2022
Reviewed in the United States 🇺🇸 on April 10, 2021
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5.0 out of 5 stars Still the best!!
By J-Juls on April 10, 2021
So, recently I’ve been completing some final tweaks on my machine and now that I’ve settled on the ram, cpu, cooler, case, and tweaked my overclocking for best balance between good idle temperatures and performance, it was time to delve into case fan land. Something told me to just stick with Noctua, but of course I had to go and start watching some youtube videos that claimed the Kaze Flex or Artic P series stuff was king for case fans. Nope, not even close, at least not in my ‘case’, literally. I have a Corsair 275r Airflow and after trying out the Kaze Flex 140mm in the front of my case, there was a low hum that started to bother me. Don’t get me wrong, they are leaps and bounds better than any standard fan that would come in a case, but there was still noise/hum, and maybe I’m picky, but the only thing I wanna hear is airflow, not any kind of hum.

I’m using a pair of these NF-A14’s up front using their low noise adapter that brings them down to 1050rpm, a pair of NF-a12x25’s up top pushing through the dust filter using their low noise adapters, and then in the rear since there is no dust filter, just a grate with holes a bit smaller than a pencil eraser, I decided to go with the NF-s12a. Honestly, I could not be more happy!

Before, I had a pair of 140mm Kaze Flex fans up front and all Kaze Flex fans in the back. Excellent fans, but nope, they were still a bit too distracting since I work literally all day long right next to my machine.

Sorry, but Noctua is where it’s at when you configure things correctly. Granted I’m not seeing wildly different temperature readings as the Kaze Flex fans are excellent, but, I was idling between 35-40 celsius with the Kaze Flexes. That’s pretty darn good for an overclocked Ryzen 7 3700x, but now, with all Noctua fans, I’m actually idling in a tighter range of 34-38 and I’m also seeing the temperature touch 33 occasionally, which for sure wasn’t happening before.

The Noctua’s were all of $3 more than the Kaze Flexes(talking about the 140mm). To me, that difference is totally worth it!
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Reviewed in the United States 🇺🇸 on September 14, 2022
Reviewed in the United States 🇺🇸 on June 4, 2022
Reviewed in the United States 🇺🇸 on June 15, 2022
Reviewed in the United States 🇺🇸 on June 11, 2013
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Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom 🇬🇧 on January 31, 2017
Dan
5.0 out of 5 stars Zero complaints
Reviewed in Canada 🇨🇦 on July 1, 2021
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5.0 out of 5 stars Zero complaints
Reviewed in Canada 🇨🇦 on July 1, 2021
I picked up 3 of these fans to upgrade the intake fans on my Fractal Design Define S2 case. They run whisper quiet, even at full speed, the build quality is excellent and I can feel the air being pulled in with my bare hands through the intake vents. Overall I am very happy. They are ugly as sin, but where I have them positioned you can't really see them so no harm there and Noctua does offer black fans as well.
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Stephan M.
5.0 out of 5 stars Super quiet fans!
Reviewed in Canada 🇨🇦 on January 1, 2020
ARK
5.0 out of 5 stars Colder and quieter
Reviewed in Canada 🇨🇦 on May 30, 2018
Ron Lee
5.0 out of 5 stars Make my Computer Quiet Again
Reviewed in Canada 🇨🇦 on January 18, 2021