Technical Snapshot

The ASUS PRIME B550M-K is a Micro-ATX motherboard based on the B550 chipset for AMD AM4 processors. It supports DDR4 memory with up to 128 GB across 4 DIMM slots, 1G LAN, and 2 M.2 slots.

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

PRIME B550M-K

B550 · AMD AM4 · Micro-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
B550 chipset with PCIe and M.2 expansion slots.
ChipsetB550
Micro-ATX form factor — compact build compatible.
Form FactorMicro-ATX
MPNPRIME B550M-K
CategoryMotherboards
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Connectivity & Expansion

M.2 Slots2
SATA Ports4
LAN1G
AudioRealtek ALC887

Full Specifications

ChipsetB550
SocketAMD AM4
Form FactorMicro-ATX
Memory TypeDDR4
DIMM Slots4
Max RAM128 GB
M.2 Slots2
SATA Ports4
LAN1G
AudioRealtek ALC887
SeriesPRIME

Support & Downloads

Latest Firmware & DriversVisit ASUS for the latest updates
ASUS Downloads →
ASUS PRIME B550M-K DocumentationPDF · Installation guide and specifications
ASUS Support →
← Back to ASUS Motherboard Catalog

Frequently Asked Questions

What socket does the ASUS PRIME B550M-K use?

The ASUS PRIME B550M-K uses the AMD AM4 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the ASUS PRIME B550M-K support?

The ASUS PRIME B550M-K supports up to 128 GB of DDR4 memory across 4 DIMM slots.

Does the ASUS PRIME B550M-K have Wi-Fi?

No, the ASUS PRIME B550M-K does not include built-in Wi-Fi.

How many M.2 slots does the ASUS PRIME B550M-K have?

The ASUS PRIME B550M-K has 2 M.2 slots for NVMe SSD storage.

What chipset does the ASUS PRIME B550M-K use?

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

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