Description
The MSI PRO B840M-B is a Micro ATX motherboard designed for AMD Ryzen 9000 8000 and 7000 Series desktop processors. Using the AMD B840 chipset and AM5 socket it provides a flexible foundation for modern desktop PC builds.
The motherboard supports dual channel DDR5 memory with two DIMM slots and up to 128GB of total memory. It supports DDR5 speeds up to 8000+ MT/s through overclocking and includes AMD EXPO support for compatible memory modules.
For graphics and expansion the board includes one PCIe 4.0 x16 slot and one PCIe 3.0 x1 slot. It also provides HDMI 2.1 and VGA display outputs for compatible processors with integrated graphics.
Storage connectivity includes two M.2 slots supporting PCIe 4.0 x4 drives and four SATA 6Gbps ports. RAID 0 1 and 10 are supported for SATA storage while M.2 NVMe storage supports RAID 0 and RAID 1.
The PRO B840M-B also features Realtek 2.5G LAN for high speed networking and Realtek ALC897 7.1 channel HD Audio. USB connectivity includes USB 5Gbps Type A and Type C connections alongside USB 2.0 ports making it suitable for modern peripherals and PC builds.