MSI MPG B550 GAMING PLUS Motherboard ATX – Supports AMD Ryzen 3rd Gen Processors, AM4, DDR4 Boost (4400MHz/OC), 1x PCIe 4.0/3.0 x16, 1x PCIe 3.0 x16, 1x M.2 Gen4 x4, 1x M.2 Gen3 x4, Gigabit LAN ATX MPG B550 GAMING PLUS