MSI B550M PRO AM4 Micro-ATX Motherboard – Socket: AM4 – AMD B550 Chipset – Memory: Support: 2x DDR4 DIMM Slots – PCIe: 1x PCI-E x16, PCI-E Gen 4/Gen 3, 2x PCI-E 3.0 x1 Slots – Storage Support: 1x M.2, 4x SATA III – LAN: Realtek RTL8111H Gigabit – Total USB Ports: 6x USB 3.2 Gen1 Type-A, 6x USB 2.0 Ports – Display: 1x DisplayPort, 1x VGA, 1x HDMI – Audio: Realtek ALC892/ALC897 Codec – B550M PRO – 3 Years Limited Warranty