Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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John
> 24 hourI pulled a little bit of a hack and installed this in my projector to replace its crazy loud fan. Im not certain that this fan is keeping it cool enough, but wow, its less than half the noise!
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Robert A. Dalton
> 24 hourGreat and very quiet fans. I bought tow of these fans to replace older fans. While certainly more expensive I am glad I purchased these fans. They have been very quiet and came with everything I needed to install it in the way of cabling and screws for a variety of situations. Will buy this brand again!
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Vazrin
> 24 hourWell the fan is amazing queit despite its high rpms i originally purchased it to replace an old heatsink fan but i was off on the dimensions my fault but otherwise i still use this fan in all its glory o.O
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Lonney
> 24 hourUsed this to replace the factory fan in an Icom IC-7300 (yellow to red, black to black) which was quite noisy, this fan is silent! Perfect!
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Lucki
> 24 hourObviously these are so much better than the stock Nidec fans in this SuperMicro JBOD. Knocked off a couple stars because I had to modify the hot swap cartridge (Its build for 36mm and these are 25mm, there arent thicker ones available that I could find). I also had to grind off one of the keying pins on the 4 pin plug. It was keyed for a 3 pin slot, but the existing plugs will only take a plug with the tabs all the way at the end. From the last picture you can see that the Noctua doesnt have the top pins that let the cartridge cleanly unplug the fan, so if I pull these I have to remember to hold the cable as well.
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Jason
> 24 hourQuiet and powerful. The rubber attachment things are cool but hard to use in tight spaces. Even with the screws, the fan does not vibrate because of the rubber around the screw holes. I really like Noctua fans
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Gaylord Haynes
> 24 hourThese fans are very well made. They are extremely quiet and durable. I installed them into my 4U server that contains 24 hard drive bays. After switching the fans that came with the case for these the was no more hum. Just extreme quietness. I would recommend these fans to anyone looking for a great quality made fan.
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Jackie Moore
> 24 hourThese fans were a great upgrade to make my computer very quiet and cool. Well worth the price.
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LVWasHere
> 24 hourMost 80mm fans are noisy, these, like other fans from Noctua, these are whisper quiet.
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Bart
> 24 hourTo replace faulty CPU fans.
The NF-A8 is a highly optimised, premium quality quiet 80mm fan. Featuring Noctua’s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A8 further improves the renowned quiet cooling performance of the award-winning NF-R8. The PWM version sports Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 2200 to 1750rpm. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite 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-A8 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-A8 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 screws and other mounting systems. |
Scope of delivery
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Inner Surface Microstructures
With 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.
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| NF-A8 PWM | NF-A8 FLX | NF-A8 ULN | NF-A8 5V PWM | NF-A8 5V | NF-A8 PWM chromax.black.swap | |
| Connector | 4-pin PWM | 3-pin | 3-pin | 4-pin PWM | 3-pin | 4-pin PWM |
| Voltage | 12V | 12V | 12V | 5V | 5V | 12V |
| RPM | Max: 2200 / Min: 450 | 2000 | 1400 | Max: 2200 / Min: 450 | 2200 | Max: 2200 / Min: 450 |
| RPM with L.N.A. | 1750 | 1650 | 1100 | - | - | - |
| RPM with U.L.N.A. | - | 1200 | - | - | - | - |
| Acoustical Noise | 17,7 dB(A) | 16,1 dB(A) | 10,4 dB(A) | 17,7 dB(A) | 17,7 dB(A) | 17,7 dB(A) |
| Acoustical Noise with L.N.A. | 13,8 dB(A) | 12,9 dB(A) | 6,5 dB(A) | - | - | - |
| Acoustical Noise with U.L.N.A. | - | 7,9 dB(A) | - | - | - | - |
| Size | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |
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