This SATA Data & Power Combo Cable features a combination 7-pin SATA female data connector & 15-pin SATA female power connector, as well as an LP4 power connector & female SATA data connector, allowing you create a conventional Serial ATA data connection to a computer while powering the drive through an LP4 connection to the computer power supply. This high quality SATA power/LP4 adapter cable measures 24in/2ft, providing the flexibility needed 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.