compatible with (M-Key/M+B Key) M.2 NVMe PCle SSD compatible with (M+B Key) M.2 AHCI SATA/NGFF SSD. Not compatible with (B-Key) SATA/NGFF SSD. 10Gbps speeds of NVMe, and 6Gbps speeds of AHCI SATA/NGFF. Support UASP Therefore, you can directly open HD design files, 4K movies, etc. in the SSD without copying to the PC. adopts an advanced master chip, which can support automatic sleep, overheat protection, anti-surge and other functions compatible with Windows, Mac OS, Linux, Android systems, and works with devices directly without any driver installation. Suitable for SSD up to 4TB. Aluminum alloy material + heat dissipation vest + heat dissipation pad, all three materials are highly thermally conductive