Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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Random
> 3 dayI had a bit of a nerve-wracking experience installing it -mostly due to the high stakes (it is my cpu, after all!) and lack of experience. But everything I needed was there and since installing it Ive largely forgotten its even there.
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Zzyzx Oh
> 3 dayLove these fans although they do not blow you away. They are silent and rarely spin up enough for to be heard. Great quality.
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Angie Daugherty
> 3 dayThey are OK but when you hook so many fans (4) to the mother board (with 750 watt power supply) some of the fans are struggling for power. Had to cut off off plugs and reattach power supply connections and then they work fine.
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Aaron C. Doty
> 3 dayBought these to replace fans in a video monitoring station and it is so quiet now and temps are fine. Would buy again.
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Andrew
> 3 dayPurchased two of these fans for use in a Silverstone GD09B HTPC chassis. Was worried that running two 80mm fans in here 1) wouldnt fit, and 2) would be too loud. Am happy to report that these fit side by side easily in the rear exhaust area on the Silverstone case, and that they are not audible using the standard profile from my motherboards pwm header.
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Martin Reviews
> 3 dayJust like me small, very refreshing and silent
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Felipe De Jesus
Greater than one weekI forgot I had these. Seriously... They were so quiet I forgot I bought these/they existed at all. It moves a ton of air and couldnt be happier! :D
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Bob Baxter
> 3 dayGood as it gets.. and then some. Youll forget its there.
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Lunchbox
> 3 dayThese are as quite as they are ugly and they are really quite! None of the provided mounting hardware worked for my application so be aware you might have to hit the parts bin to make these work.
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john demuth
> 3 dayThe fan I was delivered had no damage to the box, yet the fan was not as quiet as the factory cooling fan on my old dell xps8700.
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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