4-Bay Docking Station for SATA 2.5/3.5 inch HDD: Compatible with all 2.5inch / 3.5inch SATA I II III HDD SSD hard drives. Offline Cloner and Duplicator: This external HDD Dock support offline cloning/duplicating from an source hard drive to target disk without connecting to a computer, or as external storage to transfer data between a hard drive and your computer. 64TB Capacity Expansion: Support storage up to 64TB (4x 16TB hard drives), perfect solution for backup and processing IT data, batch processing data, formatting, file transfers, data recovery, gaming data backup, etc. USB 3.0 Superspeed up to 5 Gbps: SuperSpeed USB 3.0 Hard Drive Enclosure with data transfer rates up to 5Gbps, support UASP Protocol. 20% faster than the traditional USB 3.0, and backward compatible with USB2.0 and USB1.1. Independent Power Source: Highly efficient 12V/6.5A DC power supply offers a stable and reliable energy supply.