Fractal Design Aspect 12 RGB PWM. Type: Fan, Fan diameter: 12 cm, Rotational speed (min): 500 RPM, Rotational speed (max): 2000 RPM, Noise level (low speed): 10 dB, Noise level (high speed): 33.2 dB, Maximum airflow: 56 cfm, Airflow: 95.1 m³/h, Minimum air pressure: 0.23 mmH2O, Maximum air pressure: 2.34 mmH2O, Bearing type: Rifle bearing. Voltage: 12 V. Product colour: Black