Dual-Bay HDD Docking Station: This hard drive dock supports 2.5/3.5 inch HDD SSD SATA I/II/III hard drives up 2 x 18TB capacity, a perfect solution for backup & processing IT data, batch processing data, formatting, file transfers, data recovery etc. Offline Clone Function: Copy (Clone) without PC connection, this SATA drives duplicator can backup data from source HDD to target HDD automatically, no drivers needed, easy installation. Super USB3.0 Speed: This external hard drive enclosure supports data file transfer speed up to 5 Gbps, with 3 USB 3.0 hub ports; backwards compatible with USB2.0 and 1.1 Wide Compatible Systems: Compatible with Window98/Me/2000/XP/Vista/7/8/10,MAC OS,Linux, plug and play. Independent Power Supply: Highly efficient 12V3A power supply ensures uninterupted data transfer.