Thermaltake Riing 12. Type: Fan, Fan diameter: 12 cm, Rotational speed (min): 1000 RPM, Rotational speed (max): 1500 RPM, Noise level (low speed): 18.7 dB, Noise level (high speed): 24.6 dB, Maximum airflow: 40.6 cfm, Maximum air pressure: 2.01 mmH2O. Voltage: 12 V. Width: 120 mm, Depth: 120 mm, Height: 25 mm. Product colour: Black, Red