Directly Connect to Computer Case,M.2 NVME to PCI-E 3.0 x4 Expansion Card:2TB capacity, Compatible with SSD of various types,M.2 M-key interface, High-speed PCI-E channel NVMW protocol. 32Gbps Super Speed, PCI-Express 3.0 GEN X4 expansion card, directly connect to main-board, supports 32Gbps theoretical speed(NVME protocol). Thickened Gold-plated PCI-E X4 Expansion Card, Directly connect to mainboard, compatible with X4/X8/X16 card slots.