MSI PRO B550M-B, M-ATX, Socket AM4, 2 DIMM, Dual Channel DDR4 up to 4600+(OC)MHz, 1x PCIe 4.0 x16 slot, 2x M.2 slots, 4x USB 3.2 Gen 1, 2x USB 2.0, 1x HDMI,1x DP, 1G LAN, 7.1 Audio, 3Y