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Noctua 120mm 1200RPM PWM Fan (NF-S12A-PWM)

Noctua 120mm 1200RPM PWM Fan (NF-S12A-PWM)
  • 120mm-Case-Fans-Noctua-NF-S12A-PWM-120mm-1200RPM-Fan-3
  • 120mm-Case-Fans-Noctua-NF-S12A-PWM-120mm-1200RPM-Fan-1
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Specifications

  • Product Name:
    Noctua 120mm 1200RPM PWM Fan (NF-S12A-PWM)
  • Model Number:
    NF-S12A-PWM
  • Brand:
  • Manufacturer Warranty:
    6 Year

Description

The NF-S12A marks the third generation of Noctuaâ„¢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 Noctuaâ„¢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 Noctuaâ„¢s trusted premium quality make it an elite choice for quiet case cooling.

Award-winning S12 design

 The NF-S12A features the third evolution of Noctuaâ„¢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-S12Aâ„¢s Anti-Stall Knobs reduce flow separation phenomena in medium to high impedance situations and thereby increase the fanâ„¢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

 Noctuaâ„¢s AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctuaâ„¢s proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan’s performance/noise efficiency.


Stepped Inlet Design

 Noctuaâ„¢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 Noctuaâ„¢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.


Low-Noise Adaptor

 The NF-S12A PWM is supplied with a Low-Noise Adaptor (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 fanâ„¢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 to connect a second fan to the same PWM fan header for automatic control.


SSO2 Bearing

 The NF-S12A features the further optimised second generation of Noctuaâ„¢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.




SPECIFICATIONS:

Size

120x120x25 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 m/h

Airflow with L.N.A.

83,2 m/h

Acoustical Noise

17,8 dB(A)

Acoustical Noise with L.N.A.

10,7 dB(A)

Acoustical Noise with U.L.N.A.

7,4 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

MTBF

> 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

 




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