[20Gbps Transfer Speed]NVMe SATA dock adopts USB 3.2 Gen 2 standard and can support UASP, and the maximum speed can reach 20Gbps in theory. You do not need to wait for the data transfer any longer, and it can definitely save much time for you. [Support Offline Clone]NVMe SSD cloner dock can support offline clone and it is super easy to operate. Just insert 2 SSDs into respective slots, connect the power adapter (do not connect computer), and long press clone button for 5 seconds until 25% light is flashing blue. [Warm Note for Offline Clone]Before offline clone, do ensure the target SSD capacity is equal to or larger than the source SSD capacity by checking both disks in Windows "Disk Management". If 4 blue lights are flashing, it means the clone failed. [Useful Tip]For data transfer or offline clone, M.2 NVMe SSD and SATA SSD cannot be inserted simultaneously, otherwise only SSD A can be recognized, and SSD B cannot be recognized. [Supported SSD]NVMe SATA SSD Docking Station can support M.2 PCIe NVMe SSD with M-Key or M+B Key and M.2 SATA SSD with M+B Key. The supported M.2 SSD sizes are 2230/2242/2260/2280/22110. Just one dual M.2 cloner dock can meet your needs of using different sizes of SSDs. [One for All]M.2 cloner dock is equipped with one USB C to USB C/A cable for you, so whether you are using desktops or laptops with USB A or USB C port, it can meet your needs with just one USB cable. [Compatible System]M.2 duplicator is widely compatible with for Window, for Mac OS, and Linux. Just plug and play with no driver needed! [Warm Note]For SSD, it needs to be initialized and then it can be recognized by computer. Note: The hard drive in the picture is not included Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: Alumin