Noctua NF-S12B FLX Ultra Silent 120mm Fan

The Successor the successful NF-S12, the NF-S12B is a next generation silent fan featuring Noctua's advanced SCD2 technology as well as a highly optimized blade geometry with Beveled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing, 6 years warranty and versatile 1200/900/600 rpm speed settings, the NF-S12B FLX is a premium quality fan that offers full flexibility in quiet to ultra-quiet case cooling.

• Highly optimised impeller with Bevelled Blade Tips
  Thanks to its further refined blade geometry with extended leading edges and Bevelled Blade Tips, the NF-S12B achieves up to 10% more airflow and static pressure than its much acclaimed predecessor at the same noise level.
• 3 speed settings for full flexibility
  Providing 1200, 900 and 600 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the FLX (Flexibility) version can be fine-tuned for superior airflow or maximum quietness.
• Smooth Commutation Drive 2
  The latest version of NoctuaÕs advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises.
• SSO-Bearing
  NoctuaÕs time-tested SSO-Bearing technology has become synonymous with supremely quiet operation and exceptional long-term stability

• Size: 120x120x25 mm
• Bearing: SSO-Bearing
• Blade Geometry: NF-S12B Blade Design with BBT
• Rotational Speed (+/- 10%): 1200 RPM
• Rotational Speed with L.N.A. (+/- 10%): 900 RPM
• Rotational Speed with U.L.N.A. (+/- 10%): 600 RPM
• Airflow: 100.6 m_/h 59.2 CFM
• Airflow with L.N.A.: 75.8 m_/h 44.61 FM
• Airflow with U.L.N.A.: 49.2 m_/h 28.96 CFM
• Acoustical Noise: 18.1 dB(A)
• Acoustical Noise with L.N.A.: 10.6 dB(A)
• Acoustical Noise with U.L.N.A.: 6.2 dB(A) (extrapolated values)
• Static Pressure: 1.31 mm H2O
• Static Pressure with L.N.A.: 0.76 mm H2O
• Static Pressure with U.L.N.A.: 0.34 mm H2O
• Input Power: 1.2 W
• Input Current: 0.1 A
• Voltage Range: 12 V
• MTBF: > 150.000 h
• Scope of Delivery: Ultra-Low-Noise Adaptor (U.L.N.A.) Low-Noise Adaptor (L.N.A.) 4 Vibration Compensators 3 to 4-Pin Adapter 4 Fan Screws
• Warranty: 6 years