PRO B840M-B Spec and Price in France
A Micro-ATX AM5 board on the AMD B840 chipset with a single PCIe 4.0 x16 slot and two M.2 slots. Its two DDR5 DIMM slots hold up to 128GB, and it carries four SATA ports, with 2.5 Gigabit Ethernet and no onboard Wi-Fi.
Tied 1275th of 1869 models in the Motherboards catalog on RAM slots — 595 models share this figure. Tied 792nd of 1869 models in the Motherboards catalog on Max memory — 720 models share this figure.
Prices include VAT.
The last tracked price for PRO B840M-B in France was 89,99 € at Amazon.fr, captured 2026-09-02. Across one tracked merchant and 65 days of recorded prices, the 90-day median for PRO B840M-B is 229,53 € and the lowest recorded price is 89,99 €. 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.
- PRO B840M-B
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
- B840
- Form factor
- Micro-ATX
- Memory type
- DDR5
- RAM slots
- 2
- Max memory
- 128 GB
- M.2 slots
- 2
- PCIe x16 slots
- 1
- PCIe version
- 4.0
- SATA ports
- 4
- LAN speed
- 2.5 GbE
- Wi-Fi
- No
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.