Liztek HDDT2BS USB 3.0 Super Speed to SATA Dual Bay External Hard Drive Docking Station is plug in ready for direct insertion of 2.5 and 3.5 inch SATA Hard Disk and Solid-State Drives up to 4TB. Ideal solution to duplicating, cloning drives, view videos, photos, music and files. Plug & Play, Hot Swap with no tools and no additional driver needed. USB 3.0 Controller Chip allows Super Speed connectivity up to 5Gbps and backward compatible. Duplicating speed up to 60-80Mbps. Now you can take advantage of the ease and lightening speed to transfer your files. Independent power supply and built-in circuit design for power protection.