"Out of power connectors? Our Y Power Splitters are the answer. Easily attach additional floppy drives, hard drives, cd-roms, cd-rws, etc. to your computer's power supply. These cables meet or exceed industry standards. Don't trust just any cable to power your devices. Please call if you need a custom length. Connector: One 4-pin 5-1/4 Male Socket to Two 4-pin 3-1/2 Mini Socket Females . Converts a 5-1/4 power plug to two 3-1/2 power plugs. Designed for Floppy Drives, Removable Storage Drives, etc."