Rosewill RFTL-131409R - 140mm Computer Case Cooling Fan with LP4 Adapter - Transparent Frame & 4 Red LED Lights, Fluid Dynamic Bearing, Silent Type: Case Fan Bearing Type: Fluid Dynamic RPM: 1200RPM ± 10%0RPM Air Flow: 55.4CFM Noise Level: 21 dBA Color: Transparent frame with red LED Compatibility: Case