Technical Snapshot

The ASRock ASRock B550 Pro4 is a ATX motherboard based on the AMD B550 chipset for AMD AM4 processors. It supports DDR4 memory with up to 128 GB across 4 DIMM slots, 1GbE LAN, and 3 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM4 processors
Category
ATX Motherboard — AMD B550 Chipset
ASROCK

ASRock ASRock B550 Pro4

AMD B550 · AMD AM4 · ATX · DDR4 up to 128 GB

CPU socket: AMD AM4. Compatible with AMD Ryzen desktop processors.
SocketAMD AM4
Maximum supported memory: 128 GB DDR4 across 4 DIMM slots.
Max RAM128 GB
AMD B550 chipset with PCIe and M.2 expansion slots.
ChipsetAMD B550
ATX form factor — standard tower compatible.
Form FactorATX
MPNB550 Pro4
CategoryMotherboards
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Connectivity & Expansion

PCIe x162
M.2 Slots3
SATA Ports6
LAN1GbE
AudioRealtek ALC1200
Power Phases10

Full Specifications

ChipsetAMD B550
SocketAMD AM4
Form FactorATX
Memory TypeDDR4
DIMM Slots4
Max RAM128 GB
PCIe x16 Slots2
M.2 Slots3
SATA Ports6
LAN1GbE
AudioRealtek ALC1200
Power Phases10
SeriesPro4

Support & Downloads

Latest Firmware & DriversVisit ASRock for the latest updates
ASRock Downloads →
ASRock ASRock B550 Pro4 DocumentationPDF · Installation guide and specifications
ASRock Support →
← Back to ASRock Motherboard Catalog

Frequently Asked Questions

What socket does the ASRock ASRock B550 Pro4 use?

The ASRock ASRock B550 Pro4 uses the AMD AM4 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the ASRock ASRock B550 Pro4 support?

The ASRock ASRock B550 Pro4 supports up to 128 GB of DDR4 memory across 4 DIMM slots.

Does the ASRock ASRock B550 Pro4 have Wi-Fi?

No, the ASRock ASRock B550 Pro4 does not include built-in Wi-Fi.

How many M.2 slots does the ASRock ASRock B550 Pro4 have?

The ASRock ASRock B550 Pro4 has 3 M.2 slots for NVMe SSD storage.

What chipset does the ASRock ASRock B550 Pro4 use?

The ASRock ASRock B550 Pro4 is built on the AMD B550 chipset, offering ATX form factor design for AMD platforms.

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