This USB 3.0 to SATA Hard Drive Adapter allows you to connect any standard 2.5 inches and 3.5 inches SATA hard driver 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. The adapter is plug and play, hot swapping, and ideal for backing up files or upgrading your notebook hard driver. It comes with a 12V power supply interface, which can connect 3.5 inches high power drive. For 3.5inch HDD, a 12V 2A AC/DC power adapter is required.