I'd never replaced a PC fan before, but bought this one to give it a go to replace a loud older fan. This installed easily, though the provided screws were way too fat to use on my heatsink, so I used my older existing screws. Plugged it up, started the PC and prayed...fan worked no problem, is indeed very quiet, and my CPU is now running 30 degrees C cooler. Bought another one for my backup PC!
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This item: Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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From the brand
Noctua Cooling Solutions
Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality.
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Product Description
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.
Flow Acceleration Channels
The 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 Bearing
The 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 pads
Integrated 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
- Low-Noise Adaptor (L.N.A.)
- 4-Pin Y-Cable
- 30cm Extension Cable
- 4 Vibration-Compensators
- 4 Fan Screws
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.
NF-A8 PWM
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NF-A8 FLX
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NF-A8 ULN
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NF-A8 5V PWM
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NF-A8 5V
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NF-A8 PWM chromax.black.swap
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| Customer Reviews |
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| 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 | - no data | - no data | - no data | - no data |
| RPM with U.L.N.A. | - no data | 1200 | 1100 | - no data | - no data | - no data |
| 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) | - no data | - no data | - no data | - no data |
| Acoustical Noise with U.L.N.A. | - no data | 7,9 dB(A) | 6,5 dB(A) | - no data | - no data | - no data |
| 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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Good Build and Features
I swapped out the cpu fan on my grandparents old HP Pavilion desktop with one of these because it was giving a no fan detected error at boot. The build quality of this is just fantastic, with noise dampening grommets and nicely wrapped cables. Be sure that you get the correct voltage and number of pins on the connector or your fan will not be compatible. They are also very quiet. Maybe the difference is not so big between other high end fans, but compared to the cheap oem fans this is practically silent. Check out the attached picture to see the new fan in action. I hope this review was helpful!
Top reviews from Canada
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- Reviewed in Canada on January 30, 2025Verified Purchase
- Reviewed in Canada on November 6, 2020Verified Purchase
I swapped out the cpu fan on my grandparents old HP Pavilion desktop with one of these because it was giving a no fan detected error at boot.
The build quality of this is just fantastic, with noise dampening grommets and nicely wrapped cables. Be sure that you get the correct voltage and number of pins on the connector or your fan will not be compatible. They are also very quiet. Maybe the difference is not so big between other high end fans, but compared to the cheap oem fans this is practically silent. Check out the attached picture to see the new fan in action.
I hope this review was helpful!
Images in this review
-
Reviewed in Canada on May 15, 2025Verified Purchase
