B850 Pro-A Spec and Price in the United Kingdom
Built on the AMD B850 chipset, this ATX AM5 board offers two x16-length slots with the primary at PCIe 5.0, along with four M.2 slots. Its four DDR5 DIMM slots hold up to 256GB, and it provides two SATA ports plus two rear USB Type-C ports. Wireless is onboard Wi-Fi, paired with 2.5 Gigabit Ethernet.
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.
Prices include VAT.
The last tracked price for B850 Pro-A in the United Kingdom was £140.01 at Amazon.co.uk, captured 2026-09-30. Across one tracked merchant and 157 days of recorded prices, the 90-day median for B850 Pro-A is £134.99 and the lowest recorded price is £132.98. This site began capturing prices on July 30, 2026; for Amazon listings, prices dated earlier come from Keepa's price history.
Captured periodically and may have changed.
- B850 Pro-A
Each point is one day's recorded price, not a list price. Points dated before July 30, 2026, when this site began capturing prices, come from Keepa's Amazon price history. 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
- 4
- PCIe x16 slots
- 2
- PCIe version
- 5.0
- SATA ports
- 2
- LAN speed
- 2.5 GbE
- USB-C ports
- 2
- Wi-Fi
- Yes
Guides for this category
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.