EZOPower USB 3.0 to SATA / SATA II / SATA III External Hard Drive Docking Station for 2.5 or 3.5-inch HDD, SSD with OTB One Touch Backup - Supports 4TB HDD in 64 bit OS Plug and play design; easy to use. Horizontal Tool-Free HDD installation design with excellent heat dissipation. HDD automatic sleep and One Touch Backup button function. USB 3.0 high speed interface with data transfer speed up to 5 Gbps. LED power indication design, simple usage.