Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Angel Luis lopez Saez
Greater than one weekmuy silencioso, tienes que fijarte para ver si funciona
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Karen
Greater than one weekGreat product! So quiet you cannot hear it. Great install kit. It costs more. But, worth it!
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BreadPitt
Greater than one weekFan is really quiet. Instructions were simple and straightforward. Package arrived the next day. Great purchase.
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Darrell B.
> 3 dayThese things are awesome! Quieted my POE switch flawlessly
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Outside the Box
> 3 dayPurchase another brand sometime ago and it claimed to have 27db but was loud, I can hear the fan about 30 feet away. This one is 17.9db and it is about 10 times more quiet. I have to put my ear next to the fan to hear anything. The air volume however is about half of my old one but that was still adequate for cooling. I dont think this thing even has 17.9db and my old one probably a lot more than 27db. It comes with all kinds of adapter and I did not even have to do any soldering to convert from 3 pin to 2. The instruction is also very clear. I purchased another one immediately to finish my project, highly recommend it.
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Aequus Artem
> 3 dayIs described as a 12volt fan, even clarified in the first question about the product. However it is a 5volt fan... I ordered in good faith to get my CR-10 S5 running again in time for a project but now I will be forced to drive for hours on the road to get to a shop that still sells computer fans. Im beyond disappointed.
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Jacob Honnold
Greater than one weekMy mover was waayyyy to loud with the fan which made it virtually unusable in a black box theatre. There is still noise of course but 10/15 in the air no one will notice. The expense is worth it.
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GG
Greater than one weekThese Noctua fans are great. Im using it in a 2-bay external hard drive enclosure to replace the noisy stock fan. The Noctua fan is much less noisy and easy to install. This is the second hard drive enclosure Ive put one in and am very happy with the result. Ive had the first one running for over a year and its still quite and going strong.
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Stephen
Greater than one weekThis fan is famously quiet, and installing a buck converter to drive it at 12 VDC in my 24VDC Ender-3 printer was neither costly nor difficult (though a 24VDC version of this fan would be greatly appreciated). I did have intermittent contact trouble and bulk issues using the supplied splices within my extruder cable chain, though. I would much rather have a single cable long enough to reach the electronics box.
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JF Jansen
> 3 dayThis is the second time in my life that Ive bought this fan and this is the second time that the thing just didnt work out of the box. Being a technical person without having any time, Im guessing it doesnt work because the polarity is reversed. The first time I bought one was a few years ago and the fan just never worked. Im guessing the polarity was wrong and it had no protection. Oops. The second time, for another device, once again the fan doesnt work. Is it broken? Is it bad polarity? I dont know. I will have to start cutting cables to find out, I guess. No idea which cables to connect. Ill just take a wild guess and piss on it. The thing is, I dont want to have to do this. Aint nobody got the time.
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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