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