Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Eddie F.
> 3 dayUsed this to replace a Loren DVR fan that I swear was taken from an F-16 turbine engine. Unit never overheats and cannot even badly tell it is running. 1000 times better. Used the little rubber mounts to push into the fins made it an easy install. Great fan fix for Loren DVR.
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Richard Freedman
> 3 dayUsing this with a Raspberry Pi 4 in an aluminum case.
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Engineer
> 3 dayworks well with my Lorex camera system
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Brian M.
> 3 dayI bought this fan to replace the stick fan in my home security DVR. The stock fan in the DVR started sounding like a chainsaw after 2 weeks. This fan was an easy replacement just had to use the screw from the old fan and very small washers. Cant even hear the fan running and the case of the DVR is always cool.
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Luke
> 3 dayI bought this to replace the fan in my D-Link NAS that sounds like a jet taking off. This thing is so quiet that I had to check the NAS a few times to make sure it was actually on. Im not using that NAS anymore so I might use this to cool my Raspberry Pi.
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KLOZ
Greater than one weekWhat a fan, I bought this for my ODroid and I couldn’t be happier. The plugs it comes with are not correct for the odroid, but I stole the plug from an old cMOS battery and Im off to the races.
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Damien D Ortiz
> 3 dayI purchased 3, 2 worked great. Third one out the package did not work
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Ivan Herrera
> 3 dayreplace my dreamcast fan with this one works pretty good.
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WJM
> 3 dayIts was easy to install and works quietly as expected. I have no complaints at all.
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Tony D.
> 3 daymuch more quiet than other fans. Still, Id like it to respond to heat in 2 pin mode. Had to tear up the lnr cable to use the resistor for 2 pin mode. I installed it in a 320W Solid Gear PSU with a noisy fan. The air flow is the only noise, but whoa was it louder before I spliced in the resistor from the LNR. There ought to be a list of resistors to use. Im not an electrician or an EE. Im not going to watch movie with a vacuum cleaner on either.
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 |