PURE WINGS 3 | 140 mm | Type Fan | Suitable location Computer case | Rotational speed (max) 1200 RPM | Noise level (high speed) 21.9 dB | Maximum airflow 57.4 cfm | Airflow 97.5 m³/h | Pulse-width modulation (PWM) support Yes | Bearing type Rifle bearing | Colour Black | Number of fans 1 fan(s) | Fan connector 4-pin