USB 3.1 - for high speed data transfer of up to 6 Gbps 2.5" SATA - provides a low-cost solution for reusing the HDD of a computer, e.g. after a HDD upgrade USB data connection - for easy access to files USB power connection - no external power adapter required Compact design: for maximum portability HDD enclosure: 2.5" SATA III - backwards compatible with SATA I and II Includes screwdriver and screws - for fast and easy installation Maximum thickness: 9.5 mm