Noctua NF-S12A FLX, Premium Quiet Fan, 3-Pin (120mm, Brown)

(1512 reviews)

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$13.17

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(10000 available )

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231 Ratings
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Reviews
  • JasonB.

    > 24 hour

    THIS FAN IS SO QUIET, IM YELLING TO RESTORE THE BALANCE.

  • Aaron

    > 24 hour

    I love these fans - they move quite a bit of air, and I cant even tell that theyre running. I very highly recommend them!

  • Matt

    > 24 hour

    Unbelievable quality. I will never buy a different fan as long as I live. The Ferrari of the computer fan world.

  • Bill Wade

    > 24 hour

    I used it to cool a stereo cabinet in my RV. I used the low speed connector which is so quite you literally cant hear it.

  • Brad

    > 24 hour

    Ive been having moments where the Cooler Master fans in my case were making some more noise than usual at times, and it concerned me that they needed replacement.Plus, those fans were a pain in the neck to have to install in the first place, having to carefully screw them in in steps to ensure the screws didnt strip while making a path for them to install into the fans plastic and into the case to hold them securely. The screw metals were cheap.

  • Ms. Desiree Lebsack

    > 24 hour

    Great product, exactly what my system needed.

  • E. Shields

    > 24 hour

    Replaced 2 stock fans in my EVGA Hadron Air case with 2 of these and they brought the overall temp/noise down significantly. They have excellent static pressure which is perfect in a negative pressure environment in my mITX. Dont use the included low noise adapters and use your mobo fan controller instead. They are relatively quiet at full RPM which is where I run them constantly. Love them!

  • Bunnards Bungalow

    > 24 hour

    Yes, theyre great and super quiet. I put 2 of them in the top of my new Corsair 650D case. fit perfect and was easy to plug right into the motherboard, came with multiple extensions and connector cables to try. Simple, QUIET and efficient. I replaced the stock case fans that werent bad, but just had a noticeable amount of noisy that got to be distracting.

  • Lorin M.

    > 24 hour

    It is quiet but air flow is very poor.

  • KA

    > 24 hour

    For a cheap fan, its great. It was right in my price range, stays quiet and keeps everything nice and cool.

NF-S12A FLX headerNF-S12A FLX header

The NF-S12A marks the third generation of Noctua’s signature S12 series quiet case fans, which have received more than 250 awards and recommendations from the international press. Featuring a further refined blade design with Anti-Stall Knobs that works in tandem with the new AAO (Advanced Acoustic Optimisation) frame, the NF-S12A improves the airflow/noise efficiency of its renowned predecessor by up to 8%. The FLX version provides 1200/900/700rpm speed settings via the supplied Low-Noise Adaptors in order to give you full flexibility in fine-tuning the fan for maximum ventilation performance or near-silent operation. Its superb running smoothness, SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for quiet case cooling

NF-S12ANF-S12A

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-S12ANF-S12A

SSo2SSo2

NF-S12ANF-S12A

NF-S12A FLX scopeNF-S12A FLX scope

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.

SSO2 bearing

The NF-S12A 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.

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.

Scope of delivery

  • NA-RC10 Low-Noise Adaptor (L.N.A)
  • NA-RC12 Ultra-Low-Noise Adaptor (U.L.N.A)
  • NA-AC1 3:4-pin adaptor cable
  • NA-EC1 30cm extension cable
  • 4x NA-AV1 anti-vibration mounts
  • Fan screws
s12as12a

Anti-Stall Knobs

The NF-S12A"s Anti-Stall Knobs reduce flow separation phenomena in medium to high impedance situations and thereby increase the fan"s stall margin. This means that the NF-S12A is even more versatile than its renowned predecessor and can achieve better performance on heatsinks and radiators.

NF-S12A PWM table NF-S12A FLX table NF-S12A ULN table NF-S12A PWM chromax.black.swap table
NF-S12A PWM NF-S12A FLX NF-S12A ULN NF-S12A PWM chromax.black.swap
Connector 4-pin PWM 3-pin 3-pin 4-pin PWM
Voltage 12V 12V 5V 12V
RPM Max: 1200 / Min: 300 1200 800 Max: 1200 / Min: 300
RPM with L.N.A. 900 900 600 -
RPM with U.L.N.A. - 700 - -
Acoustical Noise 17,8 dB(A) 17,8 dB(A) 8,6 dB(A) 17,8 dB(A)
Acoustical Noise with L.N.A. 10,7 dB(A) 10,7 dB(A) 6,7 dB(A) -
Acoustical Noise with U.L.N.A. - 7,4 dB(A) - -
Size (mm) 120x120x25 120x120x25 120x120x25 120x120x25
Colour Brown & Beige Brown & Beige Brown & Beige Black with swappable coloured anti-vibration pads

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