MSI B550 GAMING GEN3 AM4 ATX Motherboard - Chipset: AMD B550 - Socket: AM4 - Memory: 4x DDR4 (Up to 128GB, 4400MHz OC) - Expansion Slots: 2x PCIe 3.0 x16, 4x PCIe 2.0 x1 - Storage: 6x SATA 6Gb/s ports, 1x M.2 slot (Key M) - I/O: Keyboard/Mouse, USB-A 3.2 Gen1 5Gbps, Audio Connectors, Flash BIOS Button, USB 2.0, DVI-D,HDMI, USB-A 3.2 Gen2 10Gbps - Network: 1x Realtek RTL8111H LAN controller - Form Factor: ATX - B550 GAMING GEN3