PRIME B840-Plus WiFi-CSM Spec and Price in France
An ATX AM5 board on the AMD B840 chipset with two x16-length slots, the primary at PCIe 4.0, and three M.2 slots. Four DDR5 DIMM slots take up to 256GB, and the board carries four SATA ports and one rear USB Type-C port. Networking is onboard Wi-Fi 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 PRIME B840-Plus WiFi-CSM in France was 434,96 € at Amazon.fr, captured 2026-09-19. Across one tracked merchant and 4 days of recorded prices, the 90-day median for PRIME B840-Plus WiFi-CSM is 434,96 € and the lowest recorded price is 430,52 €. 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.
- PRIME B840-Plus WiFi-CSM
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
- ATX
- Memory type
- DDR5
- RAM slots
- 4
- Max memory
- 256 GB
- M.2 slots
- 3
- PCIe x16 slots
- 2
- PCIe version
- 4.0
- SATA ports
- 4
- LAN speed
- 2.5 GbE
- USB-C ports
- 1
- 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.