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ASRock

B550M-P Spec and Price in Canada

AM4B550

A Micro-ATX AM4 board on the AMD B550 chipset with a single PCIe 4.0 x16 slot and one M.2 slot. Its two DDR4 DIMM slots hold up to 64GB, and it carries four SATA ports and one rear USB Type-C port. Networking is onboard Wi-Fi with 2.5 Gigabit Ethernet.

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.

Current best price
$131.72at Amazon.ca · captured 2026-09-15View at Amazon.ca

Captured periodically and may have changed.

Price history

30D90D180DAll
  • B550M-P
June 12, 202624 capturestoday · $123.85

Each point is one capture, not a list price. 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
1
PCIe x16 slots
1
PCIe version
4.0
SATA ports
4
LAN speed
2.5 GbE
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.