Silent Wings 4 | 140 mm | Type Fan | Suitable location Computer case | Rotational speed (max) 1100 RPM | Noise level (high speed) 13.6 dB | Maximum airflow 51.3 cfm | Airflow 87.16 m³/h | Pulse-width modulation (PWM) support Yes | Bearing type Fluid Dynamic Bearing (FDB) | Colour Black | Fan connector 4-pin | Power consumption (typical) 3.6 W | Rated current 0.3 A | Weight 220 g