The 6-inch Power Y Splitter is most commonly used to supply power to internal 5.25* floppy drives, hard disk drives, CD-ROMS, and tape back-up systems. Product Specifications Two 4-jacket females to attach drives. One 4-pin male socket to connect to the PC power supply. Used to supply power to internal 5.25 floppy drives, hard disk drives, CD-ROMS, and tape backup systems. This cable is fully tested and certified to meet or exceed applicable industry standards