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$20.03

Noctua NF-S12A FLX - 120mm, 3 Speed Setting Anti-Stall Knobs Design SSO2 Bearing Case Cooling Fan
[NF-S12A-FLX]

  • NF-S12A-FLX
  • NF-S12A-FLX
  • NF-S12A-FLX
  • NF-S12A-FLX
  • NF-S12A-FLX
  • 120mm
  • 1200 RPM +/-10%
  • 900 RPM +/-10% (with L.N.A adapter)
  • 700 RPM +/-10% (With U.L.N.A) 107.5 m3/h (standard)
  • 83.2 m3/h (w/L.N.A.)
  • 65.8 m3/h (w/U.L.N.A.)
  • SSO2
  • 17.8 dB(A) standard
  • 10.7 dB(A) (w/L.N.A)
  • 7.4 dB(A) (w/U.L.N.A)

Stock Status: Stock Available



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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 theinternational 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 theairflow/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 togive 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 elitechoice for quiet case cooling.

button Anti-Stall Knobs
button AAO Frame
button Stepped Inlet Design
button Inner Surface Microstructures
button SSO2 Bearing
button Metal Bearing Shell
button NE-FD1 PWM IC
button Which Noctua 120mm fan should I choose?
Award-winning S12 design

Award-winning S12 design

The NF-S12A features the third evolution of Noctua's classic Straight Blade Design that has earned its S12 series countlessrecommendations from hardware journalists and enthusiasts around the world. Further optimised for even better airflow/noise efficiency, it makes the NF-S12A anideal quiet case fan.
Anti-Stall Knobs

Anti-Stall Knobs

The NF-S12A's Anti-Stall Knobs reduce flow separation phenomena in medium to high impedance situations and thereby increase thefan's stall margin. This means that the NF-S12A is even more versatile than its renowned predecessor and can achieve better performance on heatsinks andradiators.
Integrated Anti-Vibration Pads

Integrated Anti-Vibration Pads

Integrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations whilemaintaining full compatibility with all standard screws and other mounting systems.
Smooth Commutation Drive 2

Smooth Commutation Drive 2

The latest version of Noctua's advanced Smooth Commutation Drive system ensures superb running smoothness by eliminatingtorque variations and switching noises. This makes the NF-S12A remarkably quiet even at very close distances.
3 speed settings for full flexibility

3 speed settings for full flexibility

Providing 1200, 900 and 700 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-S12AFLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness.
Extensive cabling options

Extensive cabling options

The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extensionprovides extended reach when necessary. Both cables are fully sleeved.
SSO2 Bearing

SSO2 Bearing

The NF-S12A features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnetis placed closer to the axis to provide even better stabilisation, precision and durability.
Metal bearing shell

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

6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-S12Afeatures an MTBF rating of more than 150.000 hours and comes with a full 6-year manufacturer's warranty.
Size120x120x25 mm
Mounting hole spacing105x105 mm
Connector3-Pin
BearingSSO2
Blade GeometryS-Series with Anti-Stall Knobs
Frame TechnologyAAO (Advanced Acoustic Optimisation)
Rotational Speed (+/- 10%)1200 RPM
Rotational Speed with L.N.A. (+/- 10%)900 RPM
Rotational Speed with U.L.N.A. (+/- 10%)700 RPM
Airflow107,5 m³/h
Airflow with L.N.A.83,2 m³/h
Airflow with U.L.N.A.65,8 m³/h
Acoustical Noise17,8 dB(A)
Acoustical Noise with L.N.A.10,7 dB(A)
Acoustical Noise with U.L.N.A.7,4 dB(A)
Static Pressure1,19 mm H₂O
Static Pressure with L.N.A.0,73 mm H₂O
Static Pressure with U.L.N.A.0,51 mm H₂O
Max. Input Power1,44 W
Max. Input Current0,12 A
Voltage12 V
MTBF> 150.000 h
Scope of Delivery
  • Low-Noise Adaptor (L.N.A.)
  • Ultra-Low-Noise Adaptor (U.L.N.A.)
  • 3:4-Pin Adaptor
  • 30cm Extension Cable
  • 4 Vibration-Compensators
  • 4 Fan Screws
Warranty6 years
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