ASUS PRIME-B550M-K Motherboard AMD AM4 Socket DDR4 Micro-ATX/M-ATX

Socket: AM4
Memory: 4 x DDR4, up to 128GB
Expansion Slots: 1 x PCIe 4.0 x16, 2 x PCIe 3.0 x1
Storage: 2 x M.2 (PCIe 4.0 and 3.0), 4 x SATA
Connectivity: 1Gb Ethernet
Features: Comprehensive cooling controls, ASUS 5X Protection III​