Make sure your drive does not require 3.3 VDC before purchasing this adapter cable.
However, existing system cases and power supplies may have an insufficient number of SATA power connectors, while still retaining the older Molex connectors. The Molex connector provides only 5 and 12 VDC power. Monoprice 12in 4pin MOLEX Male to 2x 15pin SATA II Female Power Cable (Net Jacket) Updated Feb 6, 2020 Molex® is a registered trademark of Molex, LLC in the United States of America and may be registered in other countries.Warning! The Serial ATA standard provides for the adoption of a new 15-pin drive power connector, replacing the ubiquitous 4-pin Molex® connector.