Aluminum alloy casing. Plug & Play. Direct insert your SSD into the bay slot without any tool. Excellent heat dissipation and air flow with "open air" design. It turns your M.2 NVMe SSD Enclosure M Key into a high-speed storage solution via a USB 4.0 Gen 4x4 connection, at up to 40Gbps throughput. The M.2 NVMe SSD docking fits easily into your laptop bag, which is ideal for traveling and carrying. Its lightweight yet durable aluminum housing helps to ensure your drive won't be damaged while you're on the move. Compatible with NVMe SSD size 22110 / 2280 / 2260 / 2242 / 2230, and works with tablets, laptops and desktop computers and other USB-enabled devices with its included USB C cables. Supports Windows, Mac OS, Linux or above.