4-Pin Molex (standard IDE-ATA Power)Output from sata power cable input 6" Serial ATA Hard Drive Power Cable Adapter/Converter (15-pin to dual Molex 4-pin ) SATA Power To IDE(ATA) 4-Pin Molex Item is used when your internal Power Supply is SATA and or you do not have any more White Molex 4-Pin Power Plugs for your other devices and you need to convert 15-pin sata power cable to dual molex connector! SATA Serial ATA Splitter Power Cable(1 X 15 pin SATA power input connector to two Molex IDE ATA 4-Pin Standard Power Plugs) - 6 inch to Molex 4-Pin Standard IDE hard Drive Connector Style. It connects two IDE power connector to one SATA power connector