1.Adpter SATA III USB 3.0 Cable External Hard Drive USB to Serial ATA 22pin Converter Hard Disk 6 Gbps for 2.5" HDD/SSD.2. This USB 3.0 to SATA Converter Cable connects any standard 2.5 inch SATA Hard Drive or Solid State Drive (SSD) to a computer through USB 3.0 ports. It's a ideal for you to backup files or upgrade your notebook hard driver.3. SATA 3 specification Support speed up to 6Gbps;4. Easy and quick access to external storage;5. LED activity indicator;6. Fully compatible with USB 3.0 and backwards compatible with USB 2.0/1.1;7. Plug and play,hot-swapping;8. Support Windows 98/2000/XP/Vista/7/8, Mac OS X.9.USB3.0 TO SATA adapter cable, using USB3.0 high-speed transmission, compatible with 2.0 interface, can be directly connected to a 2.5-inch notebook hard drive with SATA interface (cannot be used on a desktop hard drive), so that your notebook hard drive immediately becomes a high-speed USB3 .0 mobile hard disk, usually only connect to the USB3.0 interface, if you encounter some high power consumption hard disk does not work, please connect the independent power supply line to work.Personalized design: support 3.5 hard disk with power supply interface, external dedicated 12V power supply.Compatible with USB port (1.0,1.1 &2.0) & SATA Hard disk (1.5 GB/S & 3 GB/s).Added USB2.0 independent power supply interface, support 2.5 "high-capacity memory driver.Compatible with Windows 7 (32-bit/64-bit)/Vista (32-bit/64-bit)/XP (32-bit/64-bit)/server 2003 & 2008 (32-bit/64-bit) system A
Package Included:No Power Adapter :1 X USB 3.0 to SATA Converter AdapterOr With Plug:1 X Plug(hope you could check clearly the version)+1 X USB 3.0 to SATA Converter AdapterOr Only Plug:1 X Plug(hope you could check clearly the version) 

Note:

The win 7 computer system will have a speed limit and cannot reach the maximum speed