Type: Fan, Fan diameter: 12 cm, Rotational speed (min): 650 RPM, Rotational speed (max): 1800 RPM, Noise level (low speed): 8 dB, Noise level (high speed): 27 dB, Maximum airflow: 62 cfm, Maximum air pressure: 2.5 mmH2O, Bearing type: Rifle bearing. Product colour: Black