Simplecom EC412, PCI Express to M.2 Card, Ports 1 x M.2 B Key, 1 x M.2 M Key, Data Transfer Rate PCI-E interface (M key) at up to 32Gbps, SATA interface (B key) at up to 6Gbps, Interface PCI Express X4 / SATA 6Gbps, SSD Interface M.2(NGFF), Drives-2. EC412 is a PCI Express expansion card designed to add NGFF M.2 devices such as SSD onto existing PC motherboard. Dual M.2 slots support both PCI-E based M.2 device (M key, NVMe) to run via the faster PCI-E interface at up to 32Gbps.