SuperSpeed USB 3.0: transfer rates up to 5 Gbit/s ,- Support for HDD or SSD SATA I / II / III discs in 2.5" ,- Support for CD-ROM/R/R/RW and DVD-ROM SATA drives in 5.25" ,- USB 3 support.0 to SATA I / SATA II (5 Gbit/s) / SATA III (6 Gbit/s) ,- Backward compatible with USB 2.0/1.1 ,- Hot-swappable ,- Plug & Play ,- Compatible with all operating systems