Computer case Fan 9.2 cm 1500 RPM 17 dB Black Inexpensive Quality and ReliabilityThe fact that good quality does not have to be expensive is shown by the third version of the NB-BlackSilentFan series. The well-balanced properties of this bestseller make this inexpensive and high-quality series of fans the absolute bestseller throughout the world.Our least expensive series of fans moves in such high circles, however, that other producers come off worse in direct comparisons even with their considerably more expensive "high-end" fans.- High-quality, stable, glass fibre-reinforced chassis in a classic design with anti-dust polycarbonate rotor.- Extra-long connection cable.- Incl. 4 screws for mounting.- Extremely low start voltage!- Low impulse noise NB-EKAPlus II wide-range drive.- Reverse pole and overload protection, restart function, extremely failsafe.- Extremely quiet bearings. Performance Airflow 50 m³/h Noise level (high speed) 17 dB Rotational speed (max) 1500 RPM Supported proce