Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Clippy the Magnificent
> 24 hourI picked up a new (used) mobile VHF/UHF radio for satellite work and was surprised at how noisy the stock fan was. This was a great replacement option. The fan comes with a lot of different connectors that would be appropriate for PC applications, but for the radio, I simply spliced wires and reused the existing connector, using heat-shrink tubing to keep it taut. Its much quieter now.
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Lou Ratke DVM
> 24 hourDiese Lüfter sind erschreckend Leise, ich musste erst nochmal genau hinschauen, ob sie auch wirklich laufen.
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socos
> 24 hourThis seems a bit silly reviewing a computer fan but anyway... This is probably the best equipped fan Ive ever run across. Came with all kinds of connectors and screws. They really went overboard on the box packaging for something like this!
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Shak
> 24 hourBrilliant little fan, perfect size for attaching to the top of my Odroid gold heatsink. Totally silent comes on and off automatically.
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Andrey
> 24 hourVery nice and quiet. Used these in a push and pull configuration to upgrade my old 3d printer fans. These work great. They perform on par with the old fan (I dont know the model) on volume of air coming through but the noctua fans are dead silent while the old stock fan could be heard on the second floor of my house while my printer is in the basement. Very happy with the purchase. Noctua never disappoints.
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Makayla Dare
> 24 hourIch war lange auf der Suche nach einem leisen Lüfter. Dieses Produkt ist absolut der Hammer. Mit inkludiert sind connector für 2 Pin Kabel. Empfehle es absolut jedem.
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Hercules
> 24 hourit is not 40mm x 10mm, the 10 mm measurement is more like 11 with out the rubber cushions or 12 with the cushions. not 4 pin pwm fan for motherboards that use a thermal armor assist fan. My bad
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Ergo
> 24 hourEl ventilador es muy bueno, trae un montón de cables, tornillos y otros elementos de montaje y conectores diferentes, por ese lado es muy bueno. Es muy muy silencioso, muy bien también eso.
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SILVANO
> 24 hourSicuramente il prodotto è curato nei massimi dettagli , e rispetta appieno le promesse di silenziosità.
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Dan Gelinas
> 24 hourPurchased as a replacement fan for my 3d printer. Didnt realize it was the wrong fan. Too bad to, I heard good things about these.
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 |
