ASUS PRIME B550M-A. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA. Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek 8111H. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD