Noctua NF-S12A PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
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Brad Russel
> 3 dayBought to replace a similarly priced fan from another well known company that was already failing. Easy to replace the faulty item, even for me, and PC is now completely inaudible when running.
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Donald Owens
07-06-2025I have bought many computer casings and computer casing cooler fans over the last 30 years. Noctua is the most quiet cooler fan I have ever purchased. I have install three 120mm fans in my little beast of a computer HAF-XB computer case and it is quiet. If you want quietness, try NOCTUA it the best. It probably cost twice the amount you pay for a standard fan cooler, it keeps the computer case cool and gets the job done.
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Michael S.
> 3 dayExcellent product. I do several PC builds. All fans purchased going forward will be Noctua.
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ToneZone
> 3 dayQuiet operation with lots of air flow. Some people gripe about the color but theres no denying the performance of Noctuas fans. I dont concern myself with the color of it considering its behind a grill.
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Cristian C.
Greater than one weekGreat design and very quiet. It does a great job with the other Noctua fans in keeping the PC case cool even when the CPU and video card are working hard.
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RFrank
Greater than one weekExtremely Silent
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Lifal
> 3 dayZu diesem Lüfter kann man eigentlich nicht sooo viel schreiben, denn das meiste ist eine Selbstverständlichkeit, wenn man über Noctua-Produkte redet, zum Beispiel dass die Qualität absolut hochwertig ist und das Zubehör absolut reichhaltig (3-Pin-Stecker, 4-Pin-Stecker, Direktkabel, Adapterkabel lang + kurz), so dass der Lüfter für nahezu jeden Einsatzzweck gewappnet ist. Angenehm finde ich auch die Entkopplung-Gummialternativen zu den Schrauben. Ich nutze sie nicht, weil mein Gehäuse auch ohne problemlos entkoppelt und Schrauben dann doch ein wenig besser halten.
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Dodo
Greater than one weekGreat vents, the only issue, the colour... Thats not great. Luckily for me dont really care about that. But good investment.
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Tierra Wunsch
> 3 dayRAS pour linstant
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Bill
> 3 dayJust what I wanted
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 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 1200 to 900rpm. Its superb running smoothness, SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for quiet case cooling
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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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. |
SSO2 bearingThe 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 MicrostructuresWith 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
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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.
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| 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 | 12V | 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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