Support M. 2 NGFF NVMe or AHCI SSD (m key), NOT COMPATIBLE WITH ANY B KEY SSD. Support PCIe 3.0 motherboards and is backward compatible with PCIe 1.0 and PCIe 2.0. Support Samsung XP941 PM951 PM961 960EVO SM951 SM961 950 PRO, INTEL 600P, Toshiba OCZ RD400, Plextor M8PEG M8SEG, Kingston KC1000 and etc. Support Motherboard PCIe 3.0 x4 x8 x16 Bus Slot. Includes low profile Bracket, No driver installation required.