Noctua NF-A14 INDUSTRIALPPC-2000 PWM. Type: Fan, Fan diameter: 14 cm, Rotational speed (min): 500 RPM, Rotational speed (max): 2000 RPM, Airflow: 182.5 m³/h, Maximum air pressure: 4.18 mmH2O, Bearing type: Self-Stabilising Oil-pressure Bearing (SSO). Voltage: 12 V. Width: 140 mm, Depth: 25 mm, Height: 140 mm. Product colour: Black, Brown