Gigabyte B550 GAMING X AM4 ATX Motherboard - Memory Support: 4x DDR4 DIMM Slots (Max 128GB) - Expansion Slots: 1x PCIe 4.0 x16 (x16 Mode), 1x PCIe 3.0 x16 (x2 Mode) & 3x PCIe 3.0 x1 Slots - Storage Support: 2x M.2 Slots & 4x SATA 6Gb/s Connectors - Network: Realtek® GbE LAN - Realtek® ALC887 Audio Codec - Rear USB Ports: 3x USB 3.2 Gen 1, 1x USB-A 3.2 Gen 2 - ATX Form Factor - B550 GAMING X - 3 Years Limited Warranty