Noctua NF-S12A PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
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Andrei
> 24 hourPurchased 4 of these almost 5 years ago: still perfectly functional and super quiet as you would expect from Noctua. Upgrading my system soon and definitely transferring them into a new case.
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Timby
> 24 hourThese fans are top of the line. The only issue is the color. Works great and is very quiet. Have been a customer for years. I will use them anytime I need to add a fan or replace the cheat ones put in most systems.
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Rodrigo
> 24 hourMuy buen producto, muy elegante aunque sea color café
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jon roberts
> 24 hourIt is quiet and effective. I love Noctua, high quality and I even got used to the weird colors. Lots of airflow from a small fan.
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John Q. Public
> 24 hourGreat fans...
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BrainDoc
> 24 hourI have a new AirStream trailer and the Dometic refrigerator has a cooling chimney of sorts with access from outside. There is a lower vent door where cool air comes in and a higher vent door where the hot air is expected to exit with the help of a rather noisy fan that comes on when the cooling fins get hot. On our first outing, the fan noise nearly drove my wife and I nuts. I added rubber isolating gaskets to the fan, but that only dropped the noise by 40%. After looking on some AirStream forums, I found that many RVers where replacing their fans with this fan. I bought two of them, added the noise reducing resistor (included), and I now have better airflow using less power and there is no detectable noise at all. See the before and after pictures. A word of caution, the connectors on the various wires can come loose easily, especially when wrapped with electrical tape to protect the wires from the elements. I found out the hard way, so I eliminated all of the connectors when wiring up these fans the second time around. Oh, for all of you RVers out there, the yellow wire goes to the 12V and the black wire to the ground. Ignore the blue and green wires.
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Zeus
> 24 hourIch habe bereits 80mm und einen 200m der Serie verbaut. Meine Zufriedenheit mit den Lüftern von Noctua ist kaum zu übertreffen.
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Jeff simply
> 24 hourSilent (relative to any other fans I have)
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Rebecca Brine
> 24 hourNoctuas are expensive but darn they as great. excellent fit and quality.
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Jérôme
> 24 hourChangement des ventilateurs natifs de ma tour Cooler Master pour ces là.
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 |
