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Item#: N82E16835608033

Noctua A-Series NF-A4x10 40mm Blades with AAO Frame, SSO2 Bearing Premium Fan

  • 40mm
  • Rotational Speed (+/- 10%): 4500 RPM
  • Rotational Speed with L.N.A. (+/- 10%): 3700 RPM Airflow: 8.2 m3/h
  • Airflow with L.N.A.: 6.6 m3/h
  • SSO2
  • Acoustical Noise: 17.9 dB(A)
  • Acoustical Noise w
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The NF-A4x10 FLX features advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, which make it a highly optimised, premium quality quiet fan in 40x10mm size. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearings guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, a Low-Noise Adaptor and OmniJoin Adaptor Set, the NF-A4x10 is a premium choice for the highest demands.

  • newegg Designed to cool The NF-A4x10 impeller features suction side Flow Acceleration Channels to reduce suction side flow separation for better efficiency and lower vortex noise. The reduced motor hub size allows for more blade surface area and thus contributes to the NF-A4x10’s superior airflow and pressure performance.
  • newegg Cools quietly Noctua’s AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua’s unique Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan’s performance/noise efficiency. The Low-Noise Adaptor (L.N.A.) is supplied to reduce the maximum fan speed from 4500 to 3700rpm so that it can be fine-tuned for superior airflow or maximum quietness. And the latest version of Noctua’s advanced Smooth Commutation Drive system ensures superb running smoothness by eliminating torque variations and switching noises.
  • newegg SSO2 Bearing The NF-A4x10 features the further optimised second generation of Noctua’s renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.
  • newegg 3 to 2-pin Adaptor and Polarity Protection The NF-A4x10 comes with an adaptor from 3-pin Molex to the 2-pin connectors used on many graphics cards or network and storage devices. An integrated diode provides polarity protection on 2-pin connections.
  • newegg OmniJoin Adaptor Set Many devices featuring 40mm fans use proprietary fan headers, so the NF-A4x10 comes with Noctua’s OmniJoin Adaptor Set. Just cut the original fan’s cable, fix it to the adaptor using the supplied 3M Scotchlok connectors and you can plug the NF-A4x10 to proprietary fan headers!
  • newegg Extensive Cabling Options The fan’s short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved.

Learn more about the Noctua NF-A4x10

Model

Brand
Noctua
Series
A-Series
Model
NF-A4x10

Spec

Type
Case Fan
Fan Size
40mm
Bearing Type
SSO2
RPM
Rotational Speed (+/- 10%): 4500 RPM
Rotational Speed with L.N.A. (+/- 10%): 3700 RPM
Air Flow
Airflow: 8.2 m3/h
Airflow with L.N.A.: 6.6 m3/h
Noise Level
Acoustical Noise: 17.9 dB(A)
Acoustical Noise with L.N.A.: 12.9 dB(A)
Power Connector
3 Pin

Physical Spec

Dimensions
40 x 40 x 10mm

Features

Features
Flow Acceleration Channels

Reduced Motor Hub Size

AAO Frame

Stepped Inlet Design

Inner Surface Microstructures

Integrated Anti-Vibration Pads

Smooth Commutation Drive 2

Low-Noise Adaptor for full flexibility

3 to 2-pin Adaptor and Polarity Protection

OmniJoin Adaptor Set

Package Contents

Package Contents
Low-Noise Adaptor (L.N.A.)
3:2 Pin Adaptor
OmniJoin Adaptor Set
30cm Extension Cable
4 Vibration-Compensators
4 Fan Screws

Quick Info

Warranty

  • Limited Warranty period (parts): 6 years
  • Limited Warranty period (labor): 6 years


Customer Reviews of the Noctua NF-A4x10

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  • Carlmelo B.
  • 12/5/2014 12:42:56 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsA splurge. It works!

Pros: It's 40mm and it's from a reliable trusted brand. Fan is also sturdy for being small. Not as quiet as i thought. But, the noise is not irritating, if that makes sense. I bought it to replace the 35mm system fan for my Asus Sabertooth z77. The fan fits with the option 40mm bracket, but, I had to do some modding. Even though the fan is listed as 40mm x 10mm, the fan was still too thick. So, I had to scrape off the extra width with an exacto knife and take out the little rubber things by the screw holes to make it fit. And, thankfully, it does fit and it works. But, the experience was not fun. Not worth the money since the included 35mm fan with the Sabertooth Z77 was working fine for me and I just wanted to change and experiment. Oh, well.

Cons: -Won't fit as is if you're looking to replace the I/O fan on an Asus Sabertooth Z77 board. You will have to scrape off the excess width with an exact knife like I did to make them fit and also take out the rubber padding by the screw holes. it's a fat little fan for the Sabertooth Z77 but you just have to trim it a little.

- This fan, although, bigger than the 35mm fan that came with the Asus Sabertooth Z77 should be quieter. But, it's not. It might be noisier. But, thankfully, not irritatingly noisy. Just not as quiet as the stock ones to my surprise. Too late, for me, though. So, I want to make sure to write this for those of you with an Asus Sabertooth Z77, too, and thinking of getting this fan.

Other Thoughts: Look above

Did you find this review helpful? Yes No

  • Anonymous
  • 9/2/2014 1:12:29 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSmall and quiet

Pros: A quiet fan that is perfect for adding additional cooling to a 1U chassis or to cool individual components inside a 1U chassis. Has a great array of mounting and connectivity options, including adapters, etc.

Cons: Not the greatest volume of air, but sufficient for many purposes. I use two of them to add supplemental cooling for 2 HDDs and a raid card.

Did you find this review helpful? Yes No

  • Daniel O.
  • 6/4/2014 5:32:05 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGreat Quiet Cooling Fan

Pros: Very Quiet fan. Has additional connectors so that you can vary the speed - but who would need them - the fan is quiet at full speed.

Cons: Had to purchase it from another on-line vendor because their normal price for this fan is 14 bucks with free shipping

Other Thoughts: I purchased the fan to replace a failing fan in a NSA-310 NAS device. The Connector on the original fan was a mini 3-plug connector, so I cut it off, used a 3 pin female connector from a Molex 4 Pin to 3 Pin adaptor and made a mini to standard size 3 pin adaptor. Works great and is so quiet, I have to check and make sure it is working from time to time.

Did you find this review helpful? Yes No

  • David M.
  • 4/24/2014 1:36:33 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBlissful Silence

Pros: Nearly inaudible running at 2300 RPM.. Better airflow than the fan it replaced @ one-fourth the RPMs.

Cons: N/A

Other Thoughts: This NF-A4x10 fan replaced the OEM ASUS USB fan for the X79 Sabertooth motherboard. The OEM 35mm fan was louder, by factors, than all of the other 5 Noctua case fans combined. Although the NF-A4x10 fan did not fit IN the OEM slot in the armor, it nested ABOVE it exactly. It tucked beneath the rear case fan nicely, and if I'd had a 1cm longer screw, it could have been secured in one hole. As it is, a little JB weld one either side sufficed for added, but unneeded security.

Did you find this review helpful? Yes No

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Item#: N82E16835608033
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