BE QUIET! BL114 Computer cooling systems

be quiet! SILENT WINGS 4 | 120mm PWM White. Type: Fan, Fan diameter: 12 cm, Rotation speed (max): 1600 RPM, Airflow: 82.7 m³/hour, Maximum air pressure: 1.79 mmH2O, Bearing type: Fan bearing. Voltage: 5 - 13.2 V. Width: 120 mm, Depth: 120 mm, Height: 25 mm. Color of product: White