M.2 NGFF/NVMe SSD PCIexpress Add-On card supports B, M and B+M Key, size 80,60,42 and 30mmUse M.2 NGFF/NVMe SSDs at PCIe x4 slots on the mainboard – B & M keyNGFF/NVMe SSD M.2 adapter card for PCIe slots: x4/x8/x16Supports NVMe Key B/M M.2 SSD including 2230, 2242, 2260 & 2280Supports M-Key M.2 SSD, B-Key and B+M Key M.2 SSDUltra-fast PCI express V3.0 data transfer at up to 6 Gbps / 32 GT/sSupports PCIe 3.0 / SATA 3.0Low-profile slot bracket included