Xigmatek AOS (Aeronautical Oil System Bearing) XAF-F1253 120MM Fan with Copper Bushing Axis Orange Blade White LED Type: Case Fan Bearing Type: Aeronautical Oil System Bearing RPM: 1500 RPM Air Flow: 75.3 CFM Noise Level: 24 dBA Power Connector: 3 Pin Color: Orange Compatibility: Case