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NF-S12A FLX Ultra Quiet 120mm Flexible Cooling Fan

CCL Code: CLR0578
Part Number:


£16.64 inc VAT

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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 the international press. Featuring a further refined blade design with Anti-Stall Knobs that works in tandem with the new AAO or 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 / 700 rpm 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-Bearings and Noctua’s trusted premium quality make it an elite choice for quiet case cooling.


  • Size 120 x 120 x 25 mm
  • Bearing SSO-Bearing
  • Connector 3-Pin
  • Blade Geometry S-Series with Anti-Stall Knobs
  • Rotational Speed ±10% 1200 PRM
  • Rotational Speed with L.N.A. ±10% 900 RPM
  • Rotational Speed with U.L.N.A. ±10% 700 RPM
  • Airflow 63.27 CFM
  • Airflow with L.N.A. 48.96 CFM
  • Airflow with U.L.N.A. 38.72 CFM
  • 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
  • Static Pressure with U.L.N.A. 0.51 mm H2O
  • Input Power 1.44 W
  • Input Current 0.12 A
  • Voltage Range 12 V
  • MTBF > 150.000 h
  • Warranty 72 months

Main Features:

  • Noise levels from only 7.4 dB(A)
  • High 63.27 CFM airflow
  • Advanced Acoustic Optimisation Frame
  • Three speed settings for maximum quietness
  • Smooth SSO-Bearings
  • Six year warranty
Item Details
Manufacturer Noctua
Part Number NF-S12A-FLX
EAN 4716123314905
UPC 842431014238
Condition New

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