Feature: 1. Supporting transmission rate: Overspeed (5 Gbps) / High Speed (480 Mbps) / Full Speed (12 Mbps) USB 3.0 interface read speed can reach 150 MB / sec equivalent to more than 5 times of USB 2.0. 2. Also compatible with USB 2.0 computer interface, even if your computer is not USB 3.0 for the time being can also be used normally. 3. Comply with universal serial bus specification 2.0 Revision Edition. 4. Support SATA transmission rate: SATA III (5 Gbps), SATA II (3 Gbps), SATA I (1.5 Gbps). 5. Compatible with for Win 98/ME/2000/XP/VISTA /win7/for MAC OS 9.X/10.X /Linux. 6. Support 3.5 inch hard disk. 7. USB 3.0 high-speed transmission, compatible with 2.0 interface, can be directly connected to the SATA interface of the 2.5 inch notebook hard disk (can not be used on the desktop hard disk), so that your notebook hard disk immediately become a high-speed USB 3.0 mobile hard disk, ordinary applications only connect to the USB 3.0 interface can be, if some individual high-power hard disk does not work, and then Please connect to the independent power supply line and you will be able to work. Specification: Size: 445*50*10mm/17.51*1.96*0.39'' Color: Black Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.