ORICO USB3.0 External Hard Disk Drive Docking Station with Two SATA Sockets for 2.5'' and 3.5'' HDD, SSD with Duplicator/Clone Function(NOT including HDD) Two SATA sockets allow an easy insert for two 2.5 inch & 3.5 inch SATA hard drives (max 6TBX2) at the same time With SuperSpeed USB3.0 interfaces data transfer rates up to 5Gbps; 10 times faster than USB2.0, Backward compatible with USB2.0 and 1.1 Has function for hard disk cloner/duplicator; high speed clone source HDD to target HDD without connecting to computer Plug and Play feature makes it no drivers required for Windows or Mac and above An US Power Adapter attached(12V/4A)