The STC-R0015 22-pin SATA socket to SATA 7 PIN and small 4-pin cable features a combination 22-pin SATA receptacle data and power connector as well as a small 4-pin power connector and SATA receptacle data connector, allowing you to create a conventional Serial ATA data connection to a computer while powering the drive through a small 4 pin connection to the computer power supply. This high-quality SATA power/small 4-pin adapter cable measures 15cm, providing the flexibility required to position the SATA hard drive as needed within the computer case while eliminating the expense of upgrading the computer power supply for the sake of SATA compatibility. Constructed of only top-quality materials and designed for optimum performance and reliability this 15cm SATA data and power combo cable is backed by our lifetime warranty.