This SATA power splitter cable is an inexpensive solution for adding an extra SATA hard drive to a computer or server when no additional power supply wiring harness connectors are available Power is split from a 15-pin SATA female power connector to two standard 15-pin SATA male connectors, SATA power adapter splitter cable more convenient for you These power cable extensions are 8 inches (from male to female connection), can power more devices with your existing power supply Plug and work without installing any driver, plug and play, SATA power cable helps you charge more hard disks and devices The cable is Supports 3.3V, 5V, and 12V power voltages between SATA I, II, III drives, compatible with popular SATA devices