Features: PCIe3.0 NVMe Support: Compatibles the pcie3.0 standard, maximizing the data transfer speed of NVMe solid disks and ensuring fast and stable performances. M-key M.2 : Supports multiple M.2 NVMe solid disks, allowing users to flexibly choose according to their needs. U. 2 Conversion: With this adapter card, M.2 NVMe solid disks can be connection to devices that support U.2, such as servers or high-end motherboards, making it easy to expand solid disks. All aluminum material: The high-quality aluminum shell provides excellent heat dissipation, helping to keep the solid disk running at its optimaled operating temperature and extend its service life. Easy to use: Simply insert the M.2 solid disk into the adapter card and connect the U.2 to the motherboards or storage device without the need for complex installation processes. Specifications: Name: NVME M-key M.2 to U.2 Adapter SFF8639U2 Hard Disk Enclosure For Solid disk 2.5in Component: Aluminum Support NVMe M.2 solid disk into the M-key slot of the adapter card to ensure a stable connection. Connection：U.2 Support: pcie3.0 standard Size：about 100x70x3mm/3.94x2.75x0.12in Package Includes: 1PC Hard disk box note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.