Size : 120x120x25 mm
Bearing : SSO-Bearing
Blade Geometry : NF-S12B Blade Design with BBT
Rotational Speed (+/- 10%) : 700 RPM
Rotational Speed with U.L.N.A. (+/- 10%) : 500 RPM
Airflow : 56,9 m³/h
Airflow with U.L.N.A. : 38,2 m³/h
Acoustical Noise : 6,8 dB(A)
Static Pressure : 0,44 mm H₂O
Static Pressure with U.L.N.A. : 0,23 mm H₂O
MTTF : > 150.000 h
Scope of delivery : Ultra-Low-Noise Adaptor (U.L.N.A.)
4 Vibration Compensators
4 Fan Screws
Warranty : 6 years
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 Noctua's advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises.
Noctua's time-tested SSO-Bearing technology has become synonymous with supremely quiet operation and exceptional long-term stability.
Product discontinued. Successor model: NF-S12A ULN
Succeeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimised blade geometry with Bevelled 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 super-slow 700/500 rpm speed settings, the NF-S12B ULN is a premium quality fan for ultra-low-noise applications where maximum quietness has top priority.