The UGREEN CM400 is an external enclosure designed to turn an M.2 SATA SSD into a portable storage drive. It utilizes a USB Type-C 3.1 Gen2 interface to reach transfer speeds of up to 6 Gbps, allowing you to move files quickly between your devices. This enclosure supports B-Key and M+B Key internal SATA 3.0 interfaces and is compatible with various drive sizes, including 2230, 2242, 2260, and 2280, with a maximum storage capacity of 2000 GB. Its silver aluminum body provides a stable thermal environment for the internal drive, while its compact dimensions of 40 x 112 x 12 mm and a weight of 110 g make it easy to carry in a pocket or bag. The package includes a 0.5 m USB Type-C to Type-C cable for immediate connectivity. It works seamlessly with Windows, MacOS, and Linux, drawing power directly from the USB port, so you can use it as a fast, reliable external drive for your laptop or desktop computer.