Features: From aluminum alloy material, the aluminum alloy shell increases the heat dissipation area and facilitates the heat dissipation of the hard drive during work Effectively protect your hard disk, file transfer is more stable and increase the life of the hard disk. Adopt USB4 USB C port, support super fast speed is 4 times faster than USB3.2 Genx2 and 8 times faster than USB3.0. Support M.2NVME protocol, no external power supply, the hard disk can be used again, massive data easy to read. Support M Key M.2 NVMe Solid Disk Solid Disk 2280/2260/2242 size. Support multiple platform operating, suitable for connecting to PC/laptop/mobile phones and other devices to use. Specifications: Shell: Aluminum Alloy Product Color: Iron Gray External Interfaces: USB4 USB C Transfer Speed: 40Gbps Support Hard Disk: mKey M.2 NVMe Model: 2280/2260/2242 Size:about 10x5x1.3cm/3.94x1.97x0.51in Package Includes: 1PC M.2 Solid Disk Enclosure note: Due to problemsof lighting effects, there will be tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement.