The MSI B550-A PRO is an ATX motherboard for compatible AMD AM4 processors.
- AMD B550 chipset and AM4 socket
- Four DDR4 memory slots
- Two M.2 storage slots
- PCIe 4.0 support with a compatible processor
- Flash BIOS Button
Processor compatibility and BIOS requirements vary. Contact us if you would like help checking your parts.


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