[Support UASP SATA 6 Gb/s] Uctech USB3.0 to SATA Hard Drive Docking Station for Dual 2.5 inch/3.5 inch Hard Disk Drive HDD and SSD with Standalone Offline Clone/Duplicator Function (Max. 2 x 4TB) Dual bay and easy installation: no tools or drives required for 2.5" and 3.5" SATA I/II/III HDD or S SuperSpeed USB 3.0 interface provides data transfer rates up to 5Gbps (backward compatible with USB Support UASP and SATA 6 Gbps for optimal performance, utilizing the full potential of your SATA III Standalone offline clone function allows to duplicate/clone an existing hard drive without using a h In package: 1x SATA Dual Duplicator Dock, 1x USB 3.0 Cable, 1x Power Adapter, 1x Instruction Manual.