Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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J. Payne
> 3 dayAs 70s/80s as they look with the sexy brown and beige color scheme, these puppies are incredibly high quality, incredibly silent, and move some air. Highly recommended. The rubber bits at the corner to help dampen any vibrations are a thoughtful touch.
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G
> 3 dayWow super quiet
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Allen & Pam Scofield
Greater than one weekBought this to replace a noisy fan in my switching power supply, installed without a hitch and works great. Best of all....its quiet. Hard to talk on my amateur radio with a noisy fan in the background. I had bought one for a replacement on one of my radios a few months earlier and couldnt be more satisified.
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LVWasHere
> 3 dayMost 80mm fans are noisy, these, like other fans from Noctua, these are whisper quiet.
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Matthew T. Karlsson
> 3 dayIts difficult to imagine a fan being more premium.
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Steve McClintock
> 3 dayVery quiet! Very ugly but very quiet!...you buy them for functionality in your work computer, which is why they are not in my watercooled gaming rig too, some things just cant be compromised. What an eyesore!
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Patricia
> 3 dayVery Quiet!
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w r wadsworth
> 3 daybest computer fans on the market. thanks
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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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chris g
> 3 dayGreatly helped with keeping my server cooler and lowered the sound produced by my server.
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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