Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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krisw
> 3 dayPerfectly silent fans -- good airflow.
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maclark
> 3 dayThis is the second one I have bought. Quietest I have ever bought. I needed to replace my power supply fan and it was easier to use a second one of the Noctua NF-A8 with the supplied splitter as I have no free fan headers on my MB
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Vanessa
> 3 dayworks great!
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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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Mark T.
Greater than one weekThis fan is quiet, and the specifications are honest. Personally, I dont care for the colors. But from the packaging down to the sheathing on the wires, you can tell this is a high quality product.
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Mike Honcho
> 3 dayIts fine for a fan, but too overpriced in my opinion
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Hunwise
> 3 dayPurchased this fan to replace a noisy stock fan. I was very impressed by the results. The fan is completely inaudible over other case noises, and judging by my temperatures, is still moving a substantial amount of air over the components. Highly recommend for anyone who is looking for a Quiet fan with a capital Q.
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Szwagier
> 3 dayVery low noise fans. The quiet adapter it comes with is really good. I have 5 nested 4 pin PWM fans plugged into the little low noise adapter cable. now all fans are running at 600~ rpm (what i needed). Now I can sleep at night without turning off my server. (This could have been done through BIOS or a fan controller. But, it is still very neat.)
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Sam
> 3 daythese fans are more quiet than the hard drives, I now need to figure out how to configure spindown on the drives on linux.
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Joe
> 3 dayThis is really cook and works good.
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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