Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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EH
> 3 dayThese are great fans. Good airflow for the size and super quiet for the size. These fans are quieter than any of my non-premium 80 and 92 mm fans and move plenty of air.
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Bob
> 3 dayI used this to replace a prior fan on my 3d printer. This fan is VERY quiet in comparison and seems to have enough air flow. I did have trouble with the connectors that Noctua sent. The previous connector just had a long wire. Noctua includes an adapter kit with connectors to electrically connect 2-3 wires. The connectors werent grabbing and holding, so I eventually just snipped the wires and soldered them in with no problems.
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mix579
Greater than one weekI installed two of these on my Wanhao i3 3D printer. I was hoping to see some noise reduction but what I didnt expect was -- silence. These two babies, plus a large fan to replace the fan in the power supply and control unit, and the i3 has turned from the noisiest printer to the most quiet in my small print shop. Should have done this a long time ago.
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Roberto M.
> 3 dayEnough air flow to cool down the drivers on the 3D printer board. VERY quiet!!! Nice silicone ends where the fan mounts to!!
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Maria Williams
> 3 dayInstalled on my Wanhao i3, is super quiet and works like it should.
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Morgan Kool
> 3 dayWould pay an extra $5 not to have the packaging. But wow, I didnt know a fan could be so quite. I am using it with an adapter on my Prusa Mk2, and its like an entirely different 3d printer. Very happy customer. If you need quiet, spend the money on a Noctua. You wont be disappointed. The flow is better than the stock fan as well.
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MeeeHHh
> 3 dayFan is silent and moves air well for its size. I used it as a replacement fan on a Cooler Master socket P heatsink. The temperatures stay at ~35C under constant load.
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Rousskoff
> 3 dayIl y a toute la connectique et attache nécessaire pour une multifonction. Personnellement je lai installé dans mon NVR et je le trouve assez bruyant. À part ça il fait super bien son travail
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dominic
> 3 dayThis is just Amazing.Its a sleeping beauty.
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Jeff Lunsford
> 3 dayMy closet no longer sounds like there is a jet turbine in it trying to take off.
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 |
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