Premiertek PT-EN25 EZ STOR Aluminum 2.5-Inch USB 2.0 Portable External SATA HDD Enclosure Fits SATA I/SATA II/SATA III 2.5-inch slim type hard disks Bootable: The computer can be booted directly from this enclosure, for the purpose of switching OS and system backup. BIOS support bootable function required. USB 2.0 and 1.1 compliant, up to 480mb/sec, plug and play hot swapping.