Add an extra SATA power outlet to your PC Power Supply. The PYO2LSATA 6" SATA Power Splitter Cable features a SATA 15-pin plug that connects to a single computer power supply SATA connector & breaks out into two latching SATA 15-pin receptacles, which enables you to connect two Serial ATA drives to a single SATA power connection on the computer power supply. The latching SATA power connectors ensure a secured connection to the drives, preventing accidental disconnects, while the Y-adapter power split eliminates the cost of having to upgrade the power supply to accommodate an additional SATA drive. The PYO2LSATA is constructed of only finest top quality materials & designed for optimum performance & reliability.