Technical Snapshot

The MSI PRO B650-S is a ATX motherboard based on the B650 chipset for AMD AM5 processors. It supports DDR5 memory with up to 256 GB across 4 DIMM slots, 2.5G LAN LAN, and 2 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM5 processors
Category
ATX Motherboard — B650 Chipset
MSI PRO B650-S
MSI PRODUCT
MSI

PRO B650-S

B650 · AMD AM5 · ATX · DDR5 up to 256 GB

CPU socket: AMD AM5. Compatible with AMD Ryzen desktop processors.
SocketAMD AM5
Maximum supported memory: 256 GB DDR5 across 4 DIMM slots.
Max RAM256 GB
B650 chipset with PCIe and M.2 expansion slots.
ChipsetB650
ATX form factor — standard tower compatible.
Form FactorATX
MPNPRO B650-S
CategoryMotherboards
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Connectivity & Expansion

PCIe x162
M.2 Slots2
SATA Ports4
LAN2.5G LAN
AudioRealtek® ALC897

Full Specifications

ChipsetB650
SocketAMD AM5
Form FactorATX
Memory TypeDDR5
DIMM Slots4
Max RAM256 GB
PCIe x16 Slots2
M.2 Slots2
SATA Ports4
LAN2.5G LAN
AudioRealtek® ALC897
SeriesPRO

Support & Downloads

Latest Firmware & DriversVisit MSI for the latest updates
MSI Downloads →
MSI PRO B650-S DocumentationPDF · Installation guide and specifications
MSI Support →
← Back to MSI Motherboard Catalog

Frequently Asked Questions

What socket does the MSI PRO B650-S use?

The MSI PRO B650-S uses the AMD AM5 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the MSI PRO B650-S support?

The MSI PRO B650-S supports up to 256 GB of DDR5 memory across 4 DIMM slots.

Does the MSI PRO B650-S have Wi-Fi?

No, the MSI PRO B650-S does not include built-in Wi-Fi.

How many M.2 slots does the MSI PRO B650-S have?

The MSI PRO B650-S has 2 M.2 slots for NVMe SSD storage.

What chipset does the MSI PRO B650-S use?

The MSI PRO B650-S is built on the B650 chipset, offering ATX form factor design for AMD platforms.

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