PRIME B550M-K WiFi Spec and Price in the United States
A Micro-ATX AM4 board on the AMD B550 chipset with a single PCIe 4.0 x16 slot. Two DDR4 DIMM slots hold up to 64GB, and it carries two M.2 slots and four SATA ports. Networking is onboard Wi-Fi.
Tied 1275th of 1869 models in the Motherboards catalog on RAM slots — 595 models share this figure. Tied 1532nd of 1869 models in the Motherboards catalog on Max memory — 273 models share this figure.
Prices exclude sales tax.
The last tracked price for PRIME B550M-K WiFi in the United States was $79.99 at Newegg, captured 2026-09-30. Across 2 tracked merchants and 23 days of recorded prices, the 90-day median for PRIME B550M-K WiFi is $79.99 and the lowest recorded price is $79.99. 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.
- PRIME B550M-K WiFi
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
- 2
- Max memory
- 64 GB
- M.2 slots
- 2
- PCIe x16 slots
- 1
- PCIe version
- 4.0
- SATA ports
- 4
- 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.