What is the maximum amount of RAM supported by the MSI B550-A Pro?
The MSI B550-A Pro supports up to 128 GB of DDR4 memory across its 4 DIMM slots. It supports dual channel memory architecture with DDR4 speeds ranging from 1866 MHz up to 4400+ MHz via A-XMP OC MODE. (Page 17)
From the official Msi B550-A Pro Motherboard manual, page 17
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