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MSI

PRO B550M-P WiFi6E Spec and Price in the United States

AM4B550

A Micro-ATX AM4 board on the AMD B550 chipset with a single PCIe 4.0 x16 slot and two M.2 slots. Four DDR4 DIMM slots accept up to 128GB, and it carries four SATA ports with onboard 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

No tracked price — this page compares specifications alone.

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
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.