Technical Snapshot

The ASRock B850M Pro-A is a Micro-ATX motherboard based on the B850 chipset for AMD AM5 processors. It supports DDR5 memory with up to 128 GB across 4 DIMM slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM5 processors
Category
Micro-ATX Motherboard — B850 Chipset
ASRock B850M Pro-A
ASROCK PRODUCT
ASROCK

B850M Pro-A

B850 · AMD AM5 · Micro-ATX · DDR5 up to 128 GB

CPU socket: AMD AM5. Compatible with AMD Ryzen desktop processors.
SocketAMD AM5
Maximum supported memory: 128 GB DDR5 across 4 DIMM slots.
Max RAM128 GB
B850 chipset with PCIe and M.2 expansion slots.
ChipsetB850
Micro-ATX form factor — compact build compatible.
Form FactorMicro-ATX
MPNB850M Pro-A
CategoryMotherboards
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Full Specifications

ChipsetB850
SocketAMD AM5
Form FactorMicro-ATX
Memory TypeDDR5
DIMM Slots4
Max RAM128 GB
SeriesPro

Support & Downloads

Latest Firmware & DriversVisit ASRock for the latest updates
ASRock Downloads →
ASRock B850M Pro-A DocumentationPDF · Installation guide and specifications
ASRock Support →
← Back to ASRock Motherboard Catalog

Frequently Asked Questions

What socket does the ASRock B850M Pro-A use?

The ASRock B850M Pro-A uses the AMD AM5 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the ASRock B850M Pro-A support?

The ASRock B850M Pro-A supports up to 128 GB of DDR5 memory across 4 DIMM slots.

Does the ASRock B850M Pro-A have Wi-Fi?

No, the ASRock B850M Pro-A does not include built-in Wi-Fi.

How many M.2 slots does the ASRock B850M Pro-A have?

M.2 slot information is not currently available for this model.

What chipset does the ASRock B850M Pro-A use?

The ASRock B850M Pro-A is built on the B850 chipset, offering Micro-ATX form factor design for AMD platforms.

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