Features: brand new and high quality External expansion read-write backup, convert to double-disk for M.2 hard disk in seconds. Plug and for play, no driver needed, hot-swapping, easy and quick, aluminum for case makes it durable and resistant soiling. Super speed USB 3.1 interfaces with type c data transfer rates up to10Gbps. Support system disk copying, big data migration backup Variety of applicable hard disk size specifications: 2242 2260 2280 22110. Specifications: Material:Aluminum Alloy Output interface: USB3.1 Capacity:Support 2TB+2TB Size:approx 10.2x1.3x6.6cm/4.02x0.51x2.6in Applicable: for M.2 NVMe/Sata 2242/2260/2280/22110 SSD Support:Offline Clone Online Read-Write Expansion Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x SSD Enclosure