3-PIN CPU FAN PLUG <=> 1X 5.25 PLUG AND 1X 5.25" JACK INTERNAL POWER SUPPLY CABLE, 0.30M, IDE - IDE + 3PIN COOLER CONNECTOR, UL ADAPTOR FOR CONNECTING CPU FANS WITH 3-PIN CONNECTORS DIRECTLY WITH A ATX/AT POWER SUPPLY. PARTICULARLY SUITABLE FOR PCS WITH AT MAINBOARDS THAT HAVE NO DIRECT CONNECTOR FOR A CPU FAN."