DEEPCOOL UF 140 PWM Fan 2-Ball Bearing Rubber Coating De-vibration Deep Silent Type: Case Fan Bearing Type: Hydro Bearing RPM: 700+/-200~1200+/-10%RPM Air Flow: 71.28CFM Noise Level: 17.8~26.8dB(A) Compatibility: Case Dimensions: 140x140×26mm(PWM function) 140mm fan with 120mm mounts