Add three extra SATA power outlets to your Power Supply The PYO4SATA SATA power splitter cable (1-to-4) features a SATA male power connector that connects to a single computer power supply SATA connector, and breaks out into four SATA female power connectors. The SATA power splitter cable overcomes the limit of the number of SATA devices, such as SSD drives or SATA optical drives that can be installed in the system, based on available PSU power connections. The cable eliminates the cost of having to upgrade the power supply to accommodate additional SATA drives. The StarTech.com Advantage - Offers maximum system expandability without having to upgrade a computer power supply for the sake of SATA (power) connections - Easy to use and install - Backed by StarTech.com lifetime warranty