Noctua NF-S12A ULN Cooling Fan

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 ULN version provides super-slow 800 / 600rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation. Its superb running smoothness, SSO2-Bearings and Noctua’s trusted premium quality make it an elite choice for quiet case cooling. Specifications Size 120 x 120 x 25 mm Bearing SSO-Bearing Connector 3-Pin Blade Geometry S-Series with Anti-Stall Knobs Rotational Speed ±10% 800 PRM Rotational Speed with L.N.A. ±10% 600 RPM Airflow 43.73 CFM Airflow with L.N.A. 33.84 CFM Acoustical Noise 8.6 dB(A) Acoustical Noise with L.N.