Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)

(1906 Reviews)

Price
$8.37

Quantity
(10000 available )

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316 Ratings
261
25
14
3
13
Reviews
  • Patrick H. Morris, IV

    > 3 day

    Used as replacement fan on raspberry Pi

  • Omadna

    > 3 day

    But expensive, when I get a big old 120mm/140mm for the same or a couple dollars more. The push on this is incredible for such a small fan. Compared to the one it replaced it is a wind storm.

  • Matthew Mcmillion

    > 3 day

    First Noctua fan that I planned to use with a Raspberry Pi project. Lasted maybe a day or two before a bearing went out and it started making a horrible grinding noise and then eventually died.

  • Joe

    Greater than one week

    Before now, Ive only heard from others about how quiet Noctuas legendary fans are but actually hearing them for myself is really something else... maybe its because the fan I replaced was much noiser, but its mind-blowing how silent they were able to make these fans!

  • William Vaughn

    > 3 day

    This fan works. Its as quiet as advertised and hopefully will last a decade.

  • tymarbry

    > 3 day

    Small but effective. Also quiet.

  • njd

    > 3 day

    FYI: Buyers check your fans before trying to install. I ordered a 5v fan, it arrived in a box labeled 5v. Tried to install and get to work and had problems. Had 2 fans for 2 applications so I tried the 2nd fan, same problem... I then looked and realized that the fans were 12v fans. So Manufacturer either installed wrong fan in box or mis-lableled the box.... Dont know how many more are out there but 2/2 I ordered were that way.

  • Eldren

    Greater than one week

    I would rate five starts instantly but theres no Low Noise Adapter. Please change the description and the picture because it is misleading.

  • Frzorp

    > 3 day

    Mounted to my Pi and ran it off GPIOs. Super quiet and i just love the way noctua fans look and feel. Just reeks of quality everywhere.

  • Cliffs repair corner

    > 3 day

    Works beautifully with the Sega Dreamcast you just have to add a resistor and I 3D printed adapter shell.

NF-A4x10 5V HeaderNF-A4x10 5V Header

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and an AAO standard frame, the NF-A4x10 5V is a dedicated 5V version of Noctua’s highly optimised, premium quality quiet 40x10mm fan. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearing ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and the OmniJoin Adaptor Set, the NF-A4x10 5V is a premium choice for demanding 5V applications.

NF-A4x10 5VNF-A4x10 5V

5V version

Many devices such as network or storage solutions use 5 volt 40mm fans. With the same operating voltage and the included OmniJoin adaptor set that makes it compatible with proprietary fan headers, the NF-A4x10 5V is ideal for replacing noisy or broken 5V 40mm fans.

Please Note: Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.

NF-A4x10 FACNF-A4x10 FAC

SSO2SSO2

NF-A4x10 hubNF-A4x10 hub

NF-A4x10 ISMNF-A4x10 ISM

Flow Acceleration Channels

The NF-A4x10 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.

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.

Reduced motor hub size

Thanks to its streamlined, compact motor design, the NF-A4x10"s motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x10"s superior airflow and pressure performance.

Inner Surface Microstructures

With the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.

NF-A4x10 5V bannerNF-A4x10 5V banner

Please Note:

Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.

NF-A4x10 PWM table NF-A4x10 FLX table NF-A4x10 5V PWM table NF-A4x10 5V table
NF-A4x10 PWM NF-A4x10 FLX NF-A4x10 5V PWM NF-A4x10 5V
Connector 4-pin PWM 3-pin 4-pin PWM 3-pin
Voltage 12V 12V 5V 5V
RPM: Max: 5000 / Min: 1000 4500 Max: 5000 / Min: 1000 4500
RPM with L.N.A. 3700 3700 - -
Acoustical Noise 19,6 dB(A) 17,9 dB(A) 19,6 dB(A) 17,9 dB(A)
Acoustical Noise with L.N.A. 12,9 dB(A) 12,9 dB(A) - -
Size 40x40x10 mm 40x40x10 mm 40x40x10 mm 40x40x10 mm

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