M.2 to USB adapter, Supports M.2 SSD NVME or NGFF (SATA) in 2230/2242/2260/2280mm sizes, Compatible with B-key, M-key and B+M-key. The M.2 usb adapter external output port is USB3.1 GEN2 USB Type-A. The theoretical transfer speed is 10Gbps for NVME protocol and 5 Gbps for NGFF protocol. Up to 4TB SSD can be installed. backward compatible with USB3.0/USB2.0 interface, read speed: 1000MB/s (This data is for reference only). Compatible with Windows 11/10/7/Mac OS/Linux systems. NGFF/NVME compatible. Comes with screws and screwdriver, easy to install M.2 NVME and NGFF (SATA), easy to use and portable. Note: NOT support M.2 PCIe AHCI SSDs.