Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Patrick H. Morris, IV
> 3 dayUsed as replacement fan on raspberry Pi
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Omadna
> 3 dayBut 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.
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Matthew Mcmillion
> 3 dayFirst 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.
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Joe
Greater than one weekBefore 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!
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William Vaughn
> 3 dayThis fan works. Its as quiet as advertised and hopefully will last a decade.
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tymarbry
> 3 daySmall but effective. Also quiet.
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njd
> 3 dayFYI: 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.
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Eldren
Greater than one weekI would rate five starts instantly but theres no Low Noise Adapter. Please change the description and the picture because it is misleading.
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Frzorp
> 3 dayMounted 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.
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Cliffs repair corner
> 3 dayWorks beautifully with the Sega Dreamcast you just have to add a resistor and I 3D printed adapter shell.
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.
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.
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Flow Acceleration ChannelsThe 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 BearingThe 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 sizeThanks 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 MicrostructuresWith 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. |
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.
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| 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 |