Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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LazyBones
> 3 dayThe fan itself is somewhat quieter than the previous fan (front case fan), but it changes speed erratically, resembling a car motor sound. No apparent change in case temperature. The anti-vibration silicon feet that the fan sits on dont snap into the holes (the instructions dont give any indication), so the fan is kind of suspended mid-case. I hope it doesnt fall off and break itself.
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Zackary Thompson
> 3 dayyou can tell its nice cause the box it comes in is heavier than the fan itself
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Maurice R.
> 3 daygreat product, great value,
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Bryan Brandess
> 3 dayinexpensive and seems well made
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Matthew Shultz
> 3 dayRelatively quiet and moves a decent about of air. Workmanship is top notch. Just love the Noctua fans.
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Amanut
> 3 dayGreat fan, quite. But Jesus, why did they make the thing so dam ugly. Tan and white? Really?
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Robert
> 3 dayIf you are into fancy boxes and flashy marketing then buy this. This is just got a little bit more flare with the rubber attachments and louder than the NF-R8 (NF-R8 rated at 17.1). If you stick the adapter (but why bother? ) you can get the sound down a little bit more for the price.
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Glen Miranker
> 3 dayI have used many Noctua Fans over the years. vv I have had a a number in service (80mm and 120mm) ~ 10 years 24/7/365 with NO failures.
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az_ras
> 3 dayAmazingly quiet in ICOM 7300
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Gary
> 3 daySilent Running. Got this fan for my old HP. Dropped right in. No problem. Used the reduced rpm cable included. Soooo quiet I catch myself grabbing my flashlight to see if its running....5 star !!
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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