Used to connect the IDE hard disk drive and IDE CD ROM / DVDRW drive to the power supply.
Role: to solve large 4Pin interface line is not enough.
Uses: The power plug (large 4P) is not enough, you can also be used to extend the chassis fan D port is not enough long enough, and so on. Mainly to extend and extend the large 4P interface.
Length: about 21 cm.
Connector: 4-pin IDE to 3 IDEs.