Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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HotHead3D
> 3 dayMade my 3d printer nearly silent.
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Firefighter3217
Greater than one weekIts Noctua. I cant hear this thing when its right in my ear, which surprised me for a 40mm fan. Its low CFM, but it replaced a noisy fan in my switch, so there was enough airflow anyway. 10/10 would recommend.
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Andrew R.
> 3 dayCant say how impressed I am with the quietness of this fan.
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Arborum
> 3 dayI had high hopes. It may actually be a good product, but Ill never know. It came same day, as ordered, and appeared fine until opened. Upon closer inspection I realised it was used, and damaged heavily. All the wires where cut with burn marks, almost half of the rubber edges where missing. Very disappointed. Might be able to fix it, but as of right now, it doesnt even work after soldering on new wires.
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Jose Manuel Hernandez Lopez
> 3 dayAun no lo he probado pero nada mas que por la presentación que tiene ya se ve que es de alta calidad.
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Aisha
> 3 dayUsed this for our Alien Bee and it’s quieter than the one originally in the device. Easy to install with help of YouTube video
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Joseph Crowe
> 3 dayI use this fan on my 3D printer. I needed a quiet fan to keep the extruder cool. It works very well and is extremely quiet! Sometimes I have to check if the fan is running because its so quiet!
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Jason Kendall
Greater than one weekAwesome fan and very very quiet!!!
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PS
> 3 dayPersonally, I think 40mm fans are inadequate for cooling, but unfortunately a lot of electronics still use them.
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dominic
> 3 dayThis is just Amazing.Its a sleeping beauty.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x10 FLX is a highly optimised, premium quality quiet fan in 40x10mm size. Smooth Commutation Drivetechnology and Noctua’s reference class SSO2 bearings ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and a Low-Noise Adaptor and OmniJoin Adaptor Set, the NF-A4x10 is a premium choice for the highest demands.
AAO frame
Noctua"s AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua"s proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan"s performance/noise efficiency.
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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. |
Integrated Anti-Vibration PadsIntegrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks. |
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. |
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.
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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 | 12 V | 12 V | 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 |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige |
