Rosewill RFX-120BL - 120mm Computer Case Cooling Fan - Transparent Frame with Blue LED Lights, 2-Ball Bearing, Silent, 2 Rotation Speeds with PWM Control Type: Case Fan Bearing Type: 2 Ball RPM: 1200 - 2200 RPM Air Flow: 43.5 - 87.5 CFM Noise Level: 23.5 - 38.15 dBA Power Connector: 3 Pin Color: Transparent Compatibility: Case