NVME Enclosure: The design of the two-in-one USB-C and USB-A ports makes it simple to connect M.2 to either a USB-C or USB-A device. M-Key and M+B Key NVME PCIE-based SSDs larger than 2TB are compatible with the UGREEN SSD enclosure. Note: B Key NVME, M, and B&M Keys SATA are not supported. Ultra-Fast Transmission at 10Gbps: With a transfer speed of up to 10Gbps, this M.2 enclosure can quickly move very large files to your computer. PCIE 3.0 at 32Gbps when connecting an M.2 NMVE SSD. Provide a stable and quick transmission for UASP/Trim. Stability and Safety: Your SSD and important data are protected by built-in short-circuit, over-current, and multi-protection features. No cooling fan is required because this M.2 enclosure NVME is made of high-quality aluminum alloy for improved heat dissipation.