Inter-Tech 88885422. Type: Cooler Fan diameter: 6 cm Rotational speed (min): 1400 RPM Rotational speed (max): 7000 RPM Noise level (low speed): 16 dB Noise level (high speed): 50 dB Maximum airflow: 40600 cfm Minimum air pressure: 0.58 mmH2O Maximum air pressure: 14.58 mmH2O Bearing type: Ball bearing. Width: 108 mm Depth: 80 mm Height: 66 mm