The MSI Pro B850-P WiFi is built around the AM5 socket with a B850 chipset and follows the standard ATX form factor, measuring 304.8 mm wide and 243.8 mm tall. It supports a single CPU and does not include an integrated CPU or integrated graphics. Wireless connectivity spans Wi-Fi 4 through Wi-Fi 7 (802.11be), and Bluetooth 5.4 is also present, though aptX is not supported. Video output is handled through an HDMI 2.1 port. The board includes RGB lighting, a dual BIOS setup, and a clear CMOS feature for straightforward BIOS resets, while overclocking is supported. A three-year warranty is included.
This board supports DDR5 memory across four slots in a dual-channel configuration, with a maximum capacity of 256GB. Standard RAM speeds top out at 5600 MHz, while overclocked profiles can reach 8200 MHz. ECC memory is not supported.
The rear I/O provides a total of eight USB ports: one USB 3.2 Gen 2 Type-A, one USB 3.2 Gen 1 Type-A, two USB 3.2 Gen 2 Type-C, and four USB 2.0 ports. There are no USB 3.2 Gen 2x2, USB 4, Thunderbolt 3, or Thunderbolt 4 ports present. For display output, an HDMI port is available, while DisplayPort, DVI, and VGA outputs are absent. Networking is covered by a single RJ45 port, and there are no eSATA or PS/2 ports included.
Internal connectivity includes three M.2 sockets and four SATA 3 connectors for storage, with no SATA 2, U.2, or mSATA options present. Expansion headers allow for four additional USB 3.2 Gen 1 ports, four USB 3.0 ports, and four USB 2.0 ports. Cooling is supported through six fan headers, and a TPM connector is also available on the board.
The board offers four PCIe slots in total: one PCIe 5.0 x16 slot, one PCIe 4.0 x16 slot, and two PCIe x1 slots. There are no PCIe 2.0, PCIe 3.0 x16, PCIe x4, PCIe x8, or legacy PCI slots available.
Audio support covers 7.1 channels, with two analog audio connectors on the rear I/O and a S/PDIF output port for digital audio passthrough.
The board supports RAID 0 and RAID 1 configurations, while RAID 5, RAID 10, and RAID 0+1 are not available.