MSI has expanded its AM4 motherboard portfolio with three new B550 models. The lineup includes the microATX PRO B550M WIFI6E and two full-size ATX boards, the PRO B550-S and B550-S WIFI6E. These components support AMD Ryzen 3000, 4000G, and 5000 series processors.
The microATX PRO B550M WIFI6E features two DDR4 DIMM slots for memory up to 4600+ MT/s, one PCIe 4.0 x16 slot, and two PCIe 3.0 x1 slots. Storage options include one M.2 PCIe 4.0 x4 slot and four SATA 6 Gb/s ports. The board includes a pre-installed Wi-Fi 6E module.
The ATX models, PRO B550-S and B550-S WIFI6E, include four DDR4 DIMM slots supporting up to 128 GB of RAM and speeds up to 4800+ MT/s. They feature two PCIe x16 slots, one PCIe x1 slot, and two M.2 slots. Connectivity includes USB 5 Gbps and 10 Gbps ports in Type-A and Type-C configurations.
All three motherboards utilize the Realtek ALC897 7.1-channel audio codec and the Realtek RTL8111H Gigabit Ethernet controller. MSI has not disclosed the pricing or the official release dates for these new products in international markets.
