Noctua NF-P14R REDUX-1500 PWM. Type: Fan, Fan diameter: 14 cm, Rotational speed (min): 450 RPM, Rotational speed (max): 1500 RPM, Airflow: 133.7 m³/h, Bearing type: Self-Stabilising Oil-pressure (SSO) bearing. Width: 140 mm, Depth: 140 mm, Height: 25 mm. Product color: Grey