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MSI PRO B850M-P WIFI motherboard, Micro ATX, dark PCB with silver heatsinks and rear I/O shield

MSI

MSI PRO B850M-P WIFI AMD motherboard

SKU CH-YWQ8-F0GAM MPN PRO B850M-P WIFI

Micro-ATX AM5 board for Ryzen 7000, 8000 and 9000 CPUs with DDR5, PCIe 5.0 x16, Wi-Fi 7, Bluetooth 5.4, 5G LAN and three M.2 slots

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • DDR5 memory up to 256 GB across four slots running dual channel
  • PCIe 5.0 x16 slot plus one M.2 with PCIe 5.0 x4 for fast graphics and storage
  • Realtek 8126 5G LAN with Wi-Fi 7 and Bluetooth 5.4 for high-speed networking
  • HDMI and DisplayPort 1.4 outputs enable 4K 60 Hz video with compatible CPU

AM5 Micro ATX board for Ryzen 7000 8000 9000

The MSI PRO B850M-P WIFI is a Micro ATX motherboard built on the AMD B850 chipset for socket AM5. It accepts Ryzen 7000 Series, Ryzen 8000 Series and Ryzen 9000 Series processors. Four DDR5 slots support up to 256 GB in dual-channel mode with overclocked speeds reaching 8200 MT/s.

Builders needing Wi-Fi 7

Integrated Wi-Fi 7 and Bluetooth 5.4 sit alongside a Realtek 8126 5G LAN port for high-speed wireless and wired networking. The single PCIe 5.0 x16 slot handles modern graphics cards while three PCIe 3.0 x1 slots add secondary devices. Users requiring more than one full-length PCIe 5.0 slot or a larger ATX form factor should consider other boards.

One PCIe 5.0 M.2 plus two PCIe 4.0 M.2 sockets

Storage options include one M.2 slot wired for PCIe 5.0 x4 and SATA, one for PCIe 4.0 x4 and one for PCIe 4.0 x2. Four SATA 6Gb/s ports add traditional drive support. Rear I/O supplies HDMI, DisplayPort 1.4, 5 Gbps and 10 Gbps USB Type-A plus a 10 Gbps USB Type-C. Internal headers provide additional USB 2.0, 5 Gbps Type-A and 10 Gbps Type-C connections for front-panel expansion.

Highlights

  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • DDR5 memory up to 256 GB across four slots running dual channel
  • PCIe 5.0 x16 slot plus one M.2 with PCIe 5.0 x4 for fast graphics and storage
  • Realtek 8126 5G LAN with Wi-Fi 7 and Bluetooth 5.4 for high-speed networking
  • HDMI and DisplayPort 1.4 outputs enable 4K 60 Hz video with compatible CPU

Specifications

BrandMSI
ModelPRO B850M-P WIFI
Part NumberPRO B850M-P WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express x13 x PCIe 3.0 x1 slots
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 (Support PCIe 4.0 x2) / 1 x M.2 (Support PCIe 4.0 x4) / 1 x M.2 (Support PCIe 5.0 x4 & SATA)
LAN ChipsetRealtek 8126 5G LAN
Wireless LANWi-Fi 7 Solution
BluetoothBluetooth 5.4
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 3.12 x USB 5Gbps Type-A
1 xUSB 10Gbps Type-A
USB 1.1/2.04 x USB 2.0
USB Type-C1xUSB 10Gbps Type-C
Audio Ports3 Ports
Onboard USB4 x USB 2.0
4 x USB 5Gbps Type-A
1 x USB 10Gbps Type-C
Form FactorMicro ATX
Shipping weight1.16 kg
Package size284 × 272 × 76 mm

Questions about this item

Which DDR5 memory speed does the board support out of the box?

The four DDR5 slots run in dual-channel mode and accept modules up to 8200 MT/s when overclocked, with a maximum capacity of 256 GB.

Will my existing PCIe 3.0 x1 cards work in the three x1 slots?

Yes, the three PCIe 3.0 x1 slots are backward-compatible, so older x1 expansion cards will function normally.

How can I confirm the Wi-Fi 7 and Bluetooth 5.4 radios are active after building?

Check Device Manager for the Wi-Fi 7 adapter and Bluetooth 5.4 controller, then connect to a 6 GHz network and pair a Bluetooth device to verify both links.

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