Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Taylor Peterson
> 3 dayno complaints
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Magnus Beer
> 3 dayThis is a great little fan, although the air movement may not be substantial enough for some more demanding applications. I am just using this to replace the super cheap fan that came with my Raspberry Pi case, so it was perfect for me.
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Captredbeard
> 3 dayI bought this Noctua since it had a reputation for being quiet and of high quality, mine was quite a bit louder than the crappy stock fan used to be in there. I might have got a dud but since I tossed the packaging right away now Im stuck with it.
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Mike
Greater than one weekGdemu + noctua fan mod = quiet Dreamcast. This noise level is how it should have come in 99
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Trung
> 3 dayBought to for my clone mk3 prusa. Had to solder correct lengths wires. Works great. Silent
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Aubrey
> 3 dayWorks great (with a 3d-printed mounting kit). Now my DC will outlive me, and stay nice and cool.
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slanwar
> 3 dayLove this fan, doesnt make any noise and is always on, I use on my raspberry pi3 plex server.
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TELESCOTT
> 3 dayIts been a couple months and the fan is getting noisy. Used on my Pi4.
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J. Palmer
> 3 dayQuiet fan. Not silent but not really noticeable. Plenty of cable but since I was using it in a small case it took a little to keep the wire out of the fan blades. Was worth the money compared to the loud fan it was replacing.
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Zachary
> 3 dayused this for my Rasp pi 3 that put under heavy load frequently. before it averaged 45-50C and now never really reaches 46. 10/10 recommend buying this.
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 |