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Micro-ATX motherboard with AM5 CPU installed, black PCB, silver heatsinks, rear I/O panel visible

MSI

MSI PRO B850M-P WIFI + Ryzen 9 9950X3D combo AMD motherboard

SKU CH-32R4-F5Q4F

Combines a Micro-ATX B850 board with Wi-Fi 7, Bluetooth 5.4, 5G LAN and four DDR5 slots with a 16-core Ryzen 9 9950X3D featuring 128 MB L3 cache and integrated Radeon graphics

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • PCI Express 5.0 x161 x PCI Express 5.0 x16

+CPU +Ryzen 9 9950X3D

  • Ready-to-build combo with pre-matched Ryzen 9 9950X3D CPU
  • 128 MB L3 cache and 16 MB L2 cache accelerate heavy workloads
  • DDR5 memory scales to 8200 MT/s across four DIMM slots
  • Wi-Fi 7 and 5 GbE LAN plus Bluetooth 5.4 deliver fast wireless and wired links
  • HDMI 2.1 and DisplayPort 1.4 support 4K 60 Hz output from integrated Radeon graphics

Combo platform for AM5 builds

This bundle pairs an MSI PRO B850M-P WIFI motherboard with an AMD Ryzen 9 9950X3D processor. The board uses the B850 chipset on a micro-ATX layout and supports Ryzen 7000, 8000 and 9000 series CPUs. It provides four DDR5 DIMM slots running dual-channel up to 8200 MT/s when overclocked. The CPU brings 16 cores based on the Zen 5 architecture with 128 MB of L3 cache and integrated Radeon graphics.

Suited to high-thread workloads on a compact board

The combination targets users who need maximum multi-thread performance in a smaller chassis. The 170 W processor and 256 GB memory ceiling suit content creation, compilation and heavy multitasking. Builders wanting a full-size ATX layout, more than one PCIe 5.0 x16 slot, or a lower-power CPU for a quiet system should consider other options.

Memory and expansion headroom

Four slots accept up to 256 GB of DDR5, giving ample capacity for large datasets and virtual machines. A single PCIe 5.0 x16 slot handles a modern graphics card, while three PCIe 3.0 x1 slots and four SATA 6 Gb/s ports cover additional cards and storage. Rear I/O includes 5 GbE LAN, Wi-Fi 7, Bluetooth 5.4, HDMI, DisplayPort 1.4 and USB 5 Gbps, 10 Gbps Type-A and Type-C ports.

Highlights

  • Ready-to-build combo with pre-matched Ryzen 9 9950X3D CPU
  • 128 MB L3 cache and 16 MB L2 cache accelerate heavy workloads
  • DDR5 memory scales to 8200 MT/s across four DIMM slots
  • Wi-Fi 7 and 5 GbE LAN plus Bluetooth 5.4 deliver fast wireless and wired links
  • HDMI 2.1 and DisplayPort 1.4 support 4K 60 Hz output from integrated Radeon graphics

Specifications

BrandMSI
ModelPRO B850M-P WIFI+R9 9950X3D
Part NumberPRO B850M-P WIFI+R9 9950X3D
CPU Socket TypeAM5
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
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 USB1 x AMD Ryzen 9 9950X3D CPU
1 x Shin-Etsu X-23-7868-2D (1.8g)
4 x USB 2.0
4 x USB 5Gbps Type-A
1 x USB 10Gbps Type-C
Form FactorMicro ATX

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Questions about this item

Do I need DDR5 memory for the Ryzen 9 9950X3D and the PRO B850M-P WIFI board?

Yes. The board has four 288-pin DDR5 slots supporting up to 256 GB in dual channel, and the CPU is a DDR5-only processor.

Can I keep my PCIe 3.0 add-in cards when moving to this motherboard?

The board provides three PCIe 3.0 x1 slots alongside one PCIe 5.0 x16 slot, so existing PCIe 3.0 cards will work in the x1 slots.

How do I confirm the integrated Radeon graphics are driving a display after assembly?

Connect a monitor to the HDMI or DisplayPort on the rear I/O; if the system posts and shows an image, the processor graphics are active.

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