NZXT RF-AR140-B1 140mm RGB LED Aer RGB140 Advanced RGB LED PWM Fan for HUE+ (HUE+ is required to function and sold separately.) Type: Case Fan Bearing Type: Fluid Dynamic RPM: 500 - 1,500 RPM Air Flow: 30.39 - 91.19 CFM Noise Level: 22 - 33 dBA Power Connector: 4-pin PWM Compatibility: Case Dimensions: 140.00 x 140.00 x 26.00mm