Noctua NF A12x25 5V PWM. Type: Fan, Fan diameter: 12 cm, Rotational speed (min): 450 RPM, Rotational speed (max): 2000 RPM, Airflow: 102.1 m³/h, Maximum air pressure: 2.34 mmH2O, Bearing type: Self-Stabilising Oil-pressure Bearing (SSO). Voltage: 12 V. Product colour: Beige, Red