Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Timmy
> 3 dayIts the best fan I ever buy yes the price its over many brand but the price is the reflection of the quality of the product. Come with a bunch of plug in for 2 or 3 wire the sound level its also low compar to cheap fan no con just positif experience
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Jesper Stephansen
Greater than one weekDoesnt always start up when I use the low noise adapter that it comes with
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Alexandr
> 3 dayGood and high-quality product
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Nathan S.
Greater than one weekThese are almost absolutely silent and move a ton of air for how small they are! Two of them in my 1U server to replace noisy 10K rpm fans that make it sound like a jet. These fans are the bees knees.
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Greg Clark
> 3 dayQuieted my Maker Gear M3ID 3D printer way down.
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Dan King
> 3 dayTook fan out of my security system DVR which was loud. This is quite. Bought other sizes for my computer to replace the loud ones. love it, worth the price
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Geeky Couple
> 3 dayFan does not spin on its own. Needs a tap to jump start it, so I wouldnt trust it if the device is power cycled.
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Daniel V.
> 3 dayIch habe diese Lüfter jetzt bereits zum zweiten mal gekauft, da ich einfach begeistert bin. Die Lüfter wurden gegen die doch sehr lauten Herstellerlüfter von meinen 3D-Druckern ausgetauscht. Der Geräuschpegel dieser Drucker konnte durch die Noctua-Lüfter deutlich reduziert werden. Lieferung erfolgte sehr schnell. Ich kann die Lüfter wärmstens empfehlen wenn man den Geräuschpegel senken möchte und auch der Luftdurchsatz ist richtig gut.
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Brad
> 3 dayI replaced a power supply fan with this units bigger brother, I installed this one today as a replacement for the hot-end fan in my 3D Printer. Yes, these fans make a huge difference in the sound level that was produced by those stock fans. In fact my 3D printer is no more than 2 feet behind me right now, and it is printing. However, the only noise Im hearing is the fan from my notebook!! Guess Ill have to replace it next.
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JF Jansen
Greater than one weekThis 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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