4Pin Power Cable IDE 4pin Disk Power Male to Dual 4Pin Female Splitter Y 1 to 2 Extension Cable 12V+5V IDE 4p to dual IDE Y Splitter hard disk Power supply Extension Cable Use to add extra power outlets to your power supply for connecting IDE hard drives and CD ROM drives 4 Pin Molex IDE Male to 2 port IDE Female (Y Spliter) Support DC 5V and 12V power.