This USB 3.0 to SATA converter 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. Plug and Play, Hot Swapping. Ideal for backup files or upgrade your notebook hard driver. It comes with a 12V power supply interface, can connect 3.5 inches high power drive. Note: This item needs a 12V 2A AC/DC power adapter when used for 3.5inch HDD.