PRIME B550M-K Spec and Price in the United Kingdom
A Micro-ATX AM4 board on the AMD B550 chipset with a single PCIe 4.0 x16 slot and two M.2 slots. Its four DDR4 DIMM slots hold up to 128GB, and it carries four SATA ports, with Gigabit Ethernet and no onboard Wi-Fi.
Tied 34th of 1869 models in the Motherboards catalog on RAM slots — 1241 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 PRIME B550M-K in the United Kingdom was £138.51 at Amazon.co.uk, captured 2026-09-19. Across one tracked merchant and 1 days of recorded prices, the 90-day median for PRIME B550M-K is £138.51 and the lowest recorded price is £138.51. 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 B550M-K
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
- AM4
- Chipset
- B550
- Form factor
- Micro-ATX
- Memory type
- DDR4
- RAM slots
- 4
- Max memory
- 128 GB
- M.2 slots
- 2
- PCIe x16 slots
- 1
- PCIe version
- 4.0
- SATA ports
- 4
- LAN speed
- 1 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.