Converts M.2 SSD to work in a main board PCIe x4 slot. Easily fits in PCIe Gen3 x4, x8, x16 slots. Supports 2230, 2242, 2260 and 2280 size SSD. Designed for M.2 One PCIe ‘M Key’SSD and One SATA ‘B Key’SSD. Supports digital addressable LED pin headers(5V/12V).