Rocstor Premium 15.7in SATA Power Splitter Adapter Cable adds 3 additional SATA power outlets to your power supply, eliminating the expense of upgrading your power supply to encompass additional SATA devices. For example, more than one SSD drive or SATA optical drive can be installed on the system. The power splitter cable has a SATA male power connector that connects to a single computer power supply SATA connector and breaks out into 4 SATA female power connectors. Backed by Rocstor Lifetime Warranty