Noctua NF-A20. Type: Fan, Fan diameter: 20 cm, Rotational speed (max): 800 RPM, Airflow: 146.9 m³/h, Maximum air pressure: 1.08 mmH2O, Bearing type: Self-Stabilising Oil-pressure Bearing (SSO). Voltage: 5 V. Width: 200 mm, Depth: 30 mm, Height: 200 mm. Product colour: Beige, Brown