Gigabyte B550M AORUS PRO AM4 Micro-ATX Motherboard – AMD B550 Chipset – Socket: AM4 – Memory Support: 4x DDR4 DIMM Slots (Max 128GB) – Expansion Slots: 1 PCIe 4.0 x16 (x16 Mode), 1x PCIe 3.0 x16 (x4 Mode) & 1x PCIe 3.0 x1 (x1 Mode) – Storage Support: 2x M.2 Slots & 4x SATA 6Gb/s Connectors – Network: Realtek® GbE LAN – Realtek ALC1200 Audio Codec – Rear USB Ports: 4x USB 3.2 Gen 1, 1x USB-A 3.2 Gen 2 & 1x USB-C 3.2 Gen 2 – Micro ATX Form Factor – 3 Years Limited Warranty