Noctua NF-S12A FLX, Premium Quiet Fan, 3-Pin (120mm, Brown)
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Brian Smiley
> 3 dayI have 8 of these installed in my mid-tower computer case. I do not have any of the sound reducing adapters installed on them (they come with 2 different ones). Not sure how to describe other than super quiet.
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Nauset Dave
> 3 dayQuality item all the way around. IMPRESSIVE. Buy from this company. They are truly amazing.
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H. Oldenburg
> 3 dayI sometimes use Noctuas for replacement fans and they are generally quiet and the quality is good. 5 stars
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Aarnesh Prasanna
19-11-2024Based on my internet research, i found Noctua products are good in performance and reliability.
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Leon
Greater than one weekAs usual, Noctua quality is top notch.
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MLO
> 3 dayI like Noctua fans. Im in for the quiet with good air flow. These are the ticket. Price could be lower.
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Hands On
> 3 daySmooth and quiet fan at all speeds. Love it.
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Steve S.
> 3 dayThis Noctua fan lives up to expectations. It is almost silent at full speed and if adjusted to a lower speed it still puts off plenty of air. I currently have 6 of these installed running about 3/4 speed and all I can hear is my water pump.
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The Dang
> 3 dayTheyre not as quiet as I was led to believe from other online review sites, I can still hear the air wooshing when the fans are at 900rpm (using the L.N.A), but at the same time they make an agreeable sound that doesnt annoy me as my previous Cougar Vortex fans did with their higher pitched wooshing.
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Ky Leggiero
> 3 dayInsanely good performance! Very quiet, high airflow.
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
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 | 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 |