LOGISYS Computer CF120BL 120MM BLUE QUAD 4-LED ULTRA BRIGHT CLEAR PC CASE FAN Size: 120mm x 120mm x 25mm Wiring: 3 wire connection to the 3pin connector for speed monitoring Connector: Both 3pin and 4pin molex connector Protection: The cable is well protect with clear PVC sleeve Fan Speed: 1800-2000RPM, Accessories: 4 Mounting screw