Allytech USB 2.0 to Sata Converter Adapter 22 Pin 2.5" Hard Drive HDD Sata to USB 3.0 with USB Power Cable USB 2.0 interface, support hot plug plug and playdata transfer rates up to 480Mbps Supports Hot-Swapping and Plug and Play function Powered via computer USB port, no external power required Connects 2.5" 7+15pin SATA HDD/SSD to computer via USB port for easy test and data transfer Supports 2.5" Mass Storage Windows 98SE/ME/2000/XP/Vista/MAC. When lack of power, plug the additional USB connector upto the computerDrive.