This USB 3.0 to SATA adapter cable allows you to connect any standard 2.5 inches and 3.5 inches SATA hard drive to your computer via USB 3.0 port at speed up to 5Gbps. It supports OS: Windows 98/ 2000/ XP/ Vista/ Windows 7/ Mac OS 9.X/ 10.X/ Linux, and is ideal for backing up files or upgrading your notebook hard drive. The adapter is plug and play, with hot swapping, and is compatible with USB 2.0/1.1. For 3.5 inch HDD, a 12V 2A power adapter is required.