Brand UNITEK Model Y-3022 Quantity 1 Color Black + red Material ABS plastic Supports HDD Type 2.5 Internal Slot Interface SATA interface Slots Number 2 External Slot Interface USB 3.0 Supports Max. HDD Capacity 3TB Power Supply 12V/3A PSU Supports System Windows XP/Vista/7 Features Supports offline duplicate function all data or system files copy into your target hard disk by pressing one simply button; Accept 2 x 3.5" or 2.5" SATA HDD plug-in one compact unit data can be transfer between 2.5 and 3.5 SATA HDD; Two hard drives can be read & write at the same time; The dual bay docking station connects to the computer via USB3.0; Super Speed (5 Gbps) / high-speed (480 Mbps) / full-speed (12 Mbps); SATA III (6 Gbps) & SATA II (3 Gbps ) & SATA I (1.5 Gbps); Supports 2TB over HD; Power LED indicator Other USB 3.0 Super Speed: 5 Gbps; USB 3.0 Connectors: Input USB 3.0 type Micro B Female; SATA HDD Connectors: 15P+7P Female; Power Supply: External DC 12V/4A AC/DC adapter; Operating Temperature: 0-70 C; Windows XP/ VISTA Win 7(32/64-bit) Packing List 1 x HDD Docking station 1 x Data cable (110cm) 1 x CD 1 x Power adapter 1 x Power supply cable (2-flat-pin plug / 50cm)