Power your Internal SATA hard drive from an LP4 connector on your Power Supply The SATA18POW SATA Data and Power Cable features a combination 22-pin SATA receptacle data and power connector as well as a LP4 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 an LP4 connection to the computer power supply. This high quality SATA power/LP4 adapter cable measures 18in, 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 18" SATA data and power combo cable is backed by our lifetime warranty. The StarTech.com Advantage - Cost-effective solution for powering a SATA drive from an LP4 connection on the computer power supply, which eliminates the cost of a power supply upgrade for compatibility with SATA hard drives - Features a thin cable design, which helps reduce clutter and increase airflow within the computer/server case, for optimum system performance - Backed by StarTech.com lifetime warranty, ensuring a dependable connection.