Technical Snapshot

The MSI B550M PRO is a Micro-ATX motherboard based on the B550 chipset for AMD AM4 processors. It supports DDR4 memory with up to 64 GB across 2 DIMM slots, 1G LAN LAN, and 1 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM4 processors
Category
Micro-ATX Motherboard — B550 Chipset
MSI B550M PRO
MSI PRODUCT
MSI

B550M PRO

B550 · AMD AM4 · Micro-ATX · DDR4 up to 64 GB

CPU socket: AMD AM4. Compatible with AMD Ryzen desktop processors.
SocketAMD AM4
Maximum supported memory: 64 GB DDR4 across 2 DIMM slots.
Max RAM64 GB
B550 chipset with PCIe and M.2 expansion slots.
ChipsetB550
Micro-ATX form factor — compact build compatible.
Form FactorMicro-ATX
MPNB550M PRO
CategoryMotherboards
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Connectivity & Expansion

PCIe x161
M.2 Slots1
SATA Ports4
LAN1G LAN
AudioRealtek ALC892

Full Specifications

ChipsetB550
SocketAMD AM4
Form FactorMicro-ATX
Memory TypeDDR4
DIMM Slots2
Max RAM64 GB
PCIe x16 Slots1
M.2 Slots1
SATA Ports4
LAN1G LAN
AudioRealtek ALC892

Support & Downloads

Latest Firmware & DriversVisit MSI for the latest updates
MSI Downloads →
MSI B550M PRO DocumentationPDF · Installation guide and specifications
MSI Support →
← Back to MSI Motherboard Catalog

Frequently Asked Questions

What socket does the MSI B550M PRO use?

The MSI B550M PRO uses the AMD AM4 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the MSI B550M PRO support?

The MSI B550M PRO supports up to 64 GB of DDR4 memory across 2 DIMM slots.

Does the MSI B550M PRO have Wi-Fi?

No, the MSI B550M PRO does not include built-in Wi-Fi.

How many M.2 slots does the MSI B550M PRO have?

The MSI B550M PRO has 1 M.2 slot for NVMe SSD storage.

What chipset does the MSI B550M PRO use?

The MSI B550M PRO is built on the B550 chipset, offering Micro-ATX form factor design for AMD platforms.

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