BE QUIET! BL117 Computer cooling systems

be quiet! SILENT WINGS 4 | 140mm PWM high-speed White. Type: Fan, Fan diameter: 14 cm, Rotation speed ( max): 1900 RPM, Airflow: 133.2 m³/hour, Maximum air pressure: 2.36 mmH2O, Bearing type: Fan bearing. Voltage: 5 - 13.2 V. Width: 140 mm, Depth: 140 mm, Height: 25 mm. Color of product: White