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MSI

B850 Gaming Pro WiFi6E Spec and Price in the United Kingdom

AM5B850

An ATX AM5 board on the AMD B850 chipset with a PCIe 4.0 x16 primary slot and four x16-length slots in total. Four DDR5 DIMM slots take up to 256GB, and it carries two M.2 slots and four SATA ports. Networking is Wi-Fi with 2.5 Gigabit Ethernet and one rear USB-C port.

Tied 34th of 1869 models in the Motherboards catalog on RAM slots — 1241 models share this figure. Tied 14th of 1869 models in the Motherboards catalog on Max memory — 707 models share this figure.

Current best price
£139.99at Amazon.co.uk · captured 2026-09-15View at Amazon.co.uk

Captured periodically and may have changed.

Price history

30D90D180DAll
  • B850 Gaming Pro WiFi6E
August 24, 20265 capturestoday · £139.99

Each point is one capture, not a list price. How we track prices

Specifications

Socket
AM5
Chipset
B850
Form factor
ATX
Memory type
DDR5
RAM slots
4
Max memory
256 GB
M.2 slots
2
PCIe x16 slots
4
PCIe version
4.0
SATA ports
4
LAN speed
2.5 GbE
USB-C ports
1
Wi-Fi
Yes

Guides for this category

How to choose a motherboardThe socket decides which processor goes in; chipset, form factor, memory support and the slot counts decide whether the rest of the build fits around it.

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.