1.Super Quiet: Equipped with rubber pads and hydraulic bearing, which greatly reduce operating noise and improves efficiency. 2.Wide Compatibility:The most commonly 120mm size for computer case.Compatible 3-pin connector for main-board and power supply that also works with 4-pin headers. 3.Auto RGB:upHere PF120CF3 case fan is equipped with dynamic RGB LED lighting effects,providing better lighting effects while highlighting the player's personality. **(The auto RGB version can realize the automatic color lighting effect, but not support M/B or controller control.) 4.Run Smoothly:Balanced air volume and wind pressure for excellent performance, suitable for use in chassis or cold exhaust fans. 5.ConnectorFan 3-Pin + Molex 4-Pin