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Installation Manual (PDF)

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Information Sheet (PDF)

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NF-S12A

ZiZ0GaminG (Serbian)

VIDEO

NF-S12A PWM

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.

AlekTech (Serbian)

Details

Award-winning S12 design
The NF-S12A features the third evolution of Noctua's classic Straight Blade Design that has earned its S12 series countless recommendations from hardware journalists and enthusiasts around the world. Further optimised for even better airflow/noise efficiency, it makes the NF-S12A an ideal quiet case fan.

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.

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.

Stepped Inlet Design

Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.

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.

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.

Custom-designed PWM IC with SCD

Supporting fully automatic PWM speed control, the NF-S12A PWM uses Noctua's novel, custom-designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at low speeds.

Stops at 0% PWM

When the fan is set to 0% PWM duty cycle by the motherboard or PWM fan controller, it will stop. This makes it ideal for creating setups with semi-passive cooling that automatically turn the fans off and thus run completely silent at idle if thermals allow.

Low-Noise Adaptor

The NF-S12A PWM is supplied with a (L.N.A.) that reduces the maximum fan speed from 1200 to 900rpm. The L.N.A. can be used either to run the fan at a fixed speed of 900rpm or to cap the maximum speed when using automatic PWM control.

Extensive cabling options

The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and a 4-pin y-cable allows the connection of a second fan to the same PWM fan header for automatic control.

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.

Metal bearing shell

In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-S12A sports a CNC milled bearing shell made entirely from brass.

6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-S12A features an MTTF rating of more than 150.000 hours and comes with a full 6-year manufacturer's warranty.


 Noctua>Fan>NF-S12A PWM

Tortilla Squad (Spanish)

FAN SPECIFICATIONS​

Size :                                                                120x120x25 mm
Mounting hole spacing :                                   105x105 mm
Connector :                                                       4-pin PWM
Bearing :                                                           SSO2
Blade Geometry :                                              S-Series with Anti-Stall Knobs
Frame Technology :                                          AAO (Advanced Acoustic Optimisation)
Rotational Speed (+/- 10%) :                            1200 RPM

Rotational Speed with L.N.A. (+/- 10%) :          900 RPM
Min. Rotational Speed (PWM, +/-20%) :           300 RPM
Airflow :                                                             107,5 m³/h

Airflow with L.N.A. :                                           83,2 m³/h
Acoustical Noise :                                             17,8 dB(A)

Acoustical Noise with L.N.A. :                           10,7 dB(A)
Static Pressure :                                               1,19 mm H₂O

Static Pressure with L.N.A. :                             0,73 mm H₂O
Max. Input Power :                                            1,44 W
Max. Input Current :                                           0,12 A
Voltage :                                                            12 V
MTTF :                                                               > 150.000 h
Scope of delivery :                                            Low-Noise Adaptor (L.N.A.)
                                                                          4-Pin Y-Cable
                                                                          30cm Extension Cable
                                                                          4 Vibration-Compensators
                                                                          4 Fan Screws
Warranty :                                                         6 years

Video Reviews
The following video reviews have not been created by Noctua. Responsibility for the information and views expressed in the videos lies entirely with the authors.