Gigabyte B550M S2H AM4 Micro-ATX Motherboard - 2x DDR4 DIMM Slots (64GB Max) - Expansion Slots: 1x PCIe 4.0 x16 & 2x PCIe 3.0 x1 - Storage Supports: 1x M.2 Slot & 4x SATA 6Gb/s Connectors - Rear USB Ports: 4x USB 3.2 Gen 1 & 2x USB 2.0/1.1 - Network: Realtek® GbE LAN (1000 Mbit/100 Mbit) - Realtek ALC887 Codec - B550M S2H - 3 Years Limited Warranty