Noctua NF-A8 ULN, Ultra Quiet Silent Fan, 3-Pin (80mm, Brown)

(1374 reviews)

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$10.17

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(10000 available )

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93 Ratings
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Reviews
  • tse

    > 3 day

    These are very nice case fans. They have soft rubber sound isolation on four corners and include extra cable fittings for several connection options. Included in the packaging are attachment screws and rubber grommet fasteners.

  • Jacob E. Walker

    Greater than one week

    Its a Noctua fan what do you expect? Its great

  • Jonathan Diaz

    > 3 day

    I bought Two of these for my new build. I purchased these ULN fans when i should have bought PWM. My mistake! I had them installed and both were working fine, however, within two weeks, one began to show signs of failure. Two days later, it failed. I returned it and ordered two of the PWM fans instead.

  • Duc Nguyen

    > 3 day

    Quiet and powerful. A little too thick to replace the 80mm fan in my Cooler Master 130 Elite unless I take out the metal plate and just leave it without securing with the screws provided. However it is thick enough that theres no need for that at all.

  • Ryan

    > 3 day

    I just replaced my included Antec case fans with this these after 5 years. I guess I was used to the humming that the old fans would emit. But it was quiet to the point of being a little eerie after installing these. They literally are giving off none, no, zip, audible noise.

  • Angies Husband

    > 3 day

    Love the fan. Super silent. Nice array of additional parts included with the fan as well.

  • Russ

    > 3 day

    For a long time, I used nothing but Panaflo fans. Most sleeve bearing fans, even some supposedly fancy ones, lockup after a year or two. Ball bearing fans *can* last longer (though some dont), but they tend to be noisy unless they are super-low RPM (I have a few Sunon fans that have been going for well over a decade). Panaflo fans are both quiet like a sleeve fan (because they are) and yet they seem to run forever. I have yet to have one fail even though some have been running continuously for a decade or more. However, the supply of those has pretty much dried up.

  • Prof. Gordon Jaskolski

    > 3 day

    I was hoping for better air flow, but thats my own fault for overestimating the specs. Build wise the drive is very solid, still, and extremely quiet. Great fan.. Cant really attest to its supposed better static pressure as it doesnt put out much air flow. Works great for what it is, i just need more.

  • Joshua

    > 3 day

    Love this fan. Cant believe how quiet it is, but fan screws absolutely rip this thing up when you are screwing them in. Make sure you have compressed air around for when you are finished. Its actually super annoying so I had to subtract 2 stars. Im not a fan of the screwless mounts, so for me this was a big deal. If you like those things, then you will love this fan. Its operating much quieter and much more efficient than the 120mm Corsair stock (plastic, cheap, clear) fan on the back of my case.

  • Paulo

    18-11-2024

    Bought two of these to replace a competitor’s fans I use for cooling of an A/V cabinet. Those fans were, in turn, replacements for some older ones that had burnt out after fifteen years. Anyway . . .

NF-A8 ULN headerNF-A8 ULN header

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 ULN version provides super-slow 1400/1100rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.

NF-A8NF-A8

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.

NF-A8 FACNF-A8 FAC

SSO2SSO2

NF-A8 AVPNF-A8 AVP

NF-A8 ULN scopeNF-A8 ULN scope

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

  • Ultra-Low-Noise Adaptor (U.L.N.A.)
  • NA-AC1 3:4-pin adaptor cable
  • NA-EC2 30cm extension cable
  • 4x NA-AV1 anti-vibration mounts
  • Fan screws
NF-A8NF-A8

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 table NF-A8 FLX table NF-A8 ULN table NF-A8 5V table NF-A8 5V table NF-A8 PWM chromax.black.swap table
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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