The MSI PRO B850M-P WIFI is a Micro-ATX motherboard built on the AMD B850 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors via the Socket AM5 platform. Finished in black and measuring 244 x 243.8 mm, this board offers a solid foundation for both productivity builds and enthusiast systems. It supports up to 256 GB of DDR5 memory across four DIMM slots in dual-channel configuration, with speeds up to 4800 MHz and overclocking support up to 8200 MHz. Connectivity options include four SATA III ports, one HDMI 2.1 output, one DisplayPort, and an extensive USB lineup covering USB 2.0, USB 3.2 Gen 1, and USB 3.2 Gen 2 in both Type-A and Type-C formats.
High-Speed Storage Expansion
The MSI PRO B850M-P WIFI features three M.2 slots, with the first two operating at PCIe 5.0 speeds and the third at PCIe 4.0, all supporting drives up to 2280 in size. This allows for extremely fast storage solutions suitable for demanding workloads and data-intensive applications.
Advanced Wireless and Network Connectivity
Wireless performance is handled by integrated Wi-Fi 7 (802.11be) support, alongside compatibility with Wi-Fi 6, 6E, and older standards. Bluetooth 5.4 is also included for short-range wireless connections. For wired networking, the Realtek RTL8126VB controller delivers 5 Gbps Ethernet, making this board well-equipped for modern high-bandwidth network environments.
Product number manufacturer:
PRO B850M-P WIFI
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
6
USB 3.2 (Gen 2) type A ports:
1
USB 3.2 (Gen 2) type C ports:
2
Expansion slots
PCI Express 3.0 x16 slots:
3
Internal I/O
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
5.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Front panel audio connector:
USB 3.1 (3.1 Gen 2) connectors:
1
USB 3.1 (Gen 1) header(s):
2
Memory
Supported memory clock speeds:
4800 MHz
Supported memory clock speeds (OC):
8200 MHz
Networking
Network technology (wired):
Wi-Fi 1 (802.11b), Wi-Fi 2 (802.11a), Wi-Fi 3 (802.11g), Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Physical characteristics
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Sockets
Technical details
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