Rosewill RFTL-131209R - 120mm 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: 2000RPM +/- 10%RPM Air Flow: 59.8 CFM Noise Level: 36 dBA Color: Transparent frame with red LED Compatibility: Case Dimensions: 4.72 x 4.72 x 0.98 (L x W x H)