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MSI

B550 Gaming WiFi6E Spec and Price in Canada

AM4B550

An ATX AM4 board on the AMD B550 chipset with two x16-length slots, the primary at PCIe 4.0, and two M.2 slots. Four DDR4 DIMM slots hold up to 128GB, and it carries six SATA ports and one rear USB Type-C port. Networking is Wi-Fi 6E.

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.

Current best price
$139.99at Amazon.ca · captured 2026-09-13View at Amazon.ca

Captured periodically and may have changed.

Price history

30D90D180DAll
  • B550 Gaming WiFi6E
July 11, 20269 capturestoday · $169.99

Each point is one capture, not a list price. How we track prices

Specifications

Socket
AM4
Chipset
B550
Form factor
ATX
Memory type
DDR4
RAM slots
4
Max memory
128 GB
M.2 slots
2
PCIe x16 slots
2
PCIe version
4.0
SATA ports
6
USB-C ports
1
Wi-Fi
Yes

Guides for this category

How to choose a motherboardThe socket decides which processor goes in; chipset, form factor, memory support and the slot counts decide whether the rest of the build fits around it.

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.