MSI B350M Mortar AMD B350 motherboard Socket AM4 DDR4 64GB

Socket AM4 Ryzen board

The MSI B350M Mortar is a micro-ATX motherboard built around the AMD B350 chipset for Socket AM4 processors. It supports first and second generation Ryzen CPUs as well as AMD A-series and Athlon chips with AM4 pins. Dual-channel DDR4 memory runs at speeds from 1866 up to 3200 MHz when overclocked, with a maximum capacity of 64 GB. A single PCIe 3.0 x16 slot, one PCIe 2.0 x16 slot at x4 mode and two PCIe 2.0 x1 slots provide expansion room.

Check CPU generation and cooler mounting

Verify that your processor is a first or second generation Ryzen, Ryzen with Radeon Vega graphics, A-series or Athlon AM4 part before ordering. Seventh generation A-series and Athlon CPUs operate the primary slot at x8 instead of x16. Ensure your case accepts micro-ATX dimensions and that the CPU cooler mounting holes match the AM4 pattern. Confirm the power supply delivers the required ATX and CPU power connectors for this board.

Bundled I/O shield, battery and SATA cable

The package includes a chassis I/O back panel, a CMOS battery and one SATA cable so you can connect a drive immediately. No Wi-Fi antenna is supplied because the board lacks a built-in Wi-Fi module. Audio uses the Realtek ALC892 codec for 7.1 channel output and networking relies on the Realtek 8111H Gigabit LAN controller. Four USB 3.1 Gen1 ports and six USB 2.0 ports are available through rear and onboard headers.