Simplecom SD550 USB 3.2 Gen2 to Dual Bay NVMe M.2 SSD Docking Station Duplicator Offline CloneFeatures: SD550 is a dual bay NVMe M. 2 SSD docking station that supports accessing of two NVMe M. 2 SSDs simultaneously, so you can easily transfer or backup files between two NVMe M. 2 SSDs. With multi LUN (logical unit number) support, it will show two separate drive letters, so you can copy files from one drive to another easily. Fast USB 3. 2 Gen2 interface support up to 10Gbps data transfer rate and can be easily attached to computer USB port.