This USB 3.0 to SATA converter 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. Plug and Play, Hot Swapping. It is ideal for you to backup files or upgrade your notebook hard drive. For 3.5 inches HDD, a 12V 2A power adapter is required.