NZXT F140 RGB. Type: Fan, Fan diameter: 14 cm, Rotational speed (min): 500 RPM, Rotational speed (max): 1800 RPM, Noise level (low speed): 20 dB, Noise level (high speed): 32.5 dB, Maximum airflow: 24.85 cfm, Minimum air pressure: 0.94 mmH2O, Bearing type: Fluid Dynamic Bearing (FDB). Product colour: Black