This e SATA & USB (Universal Serial Bus) A Male to Power e SATA Cable provides a 3ft connection between an external drive enclosure equipped with a power e SATA port & the e SATA & USB (Universal Serial Bus) port on a PC/ Notebook, providing both power (through USB) & data (through SATA) using a single cable. Expertly designed & constructed of only finest top quality materials, the 3ft e SATA & USB (Universal Serial Bus) A Male to Power e SATA Male cable is backed by Star Tech.com's Lifetime Warranty.