Technical Snapshot

The ASUS PRIME B450M-A II is a ATX motherboard based on the B450 chipset for AMD AM4 processors. It supports DDR4 memory with up to 128 GB across 4 DIMM slots, and 1 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM4 processors
Category
ATX Motherboard — B450 Chipset
ASUS PRIME B450M-A II
ASUS PRODUCT
ASUS

PRIME B450M-A II

B450 · 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
B450 chipset with PCIe and M.2 expansion slots.
ChipsetB450
ATX form factor — standard tower compatible.
Form FactorATX
MPNPRIME B450M-A II
CategoryMotherboards
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Connectivity & Expansion

M.2 Slots1
SATA Ports6

Full Specifications

ChipsetB450
SocketAMD AM4
Form FactorATX
Memory TypeDDR4
DIMM Slots4
Max RAM128 GB
M.2 Slots1
SATA Ports6
SeriesPRIME

Support & Downloads

Latest Firmware & DriversVisit ASUS for the latest updates
ASUS Downloads →
ASUS PRIME B450M-A II DocumentationPDF · Installation guide and specifications
ASUS Support →
← Back to ASUS Motherboard Catalog

Frequently Asked Questions

What socket does the ASUS PRIME B450M-A II use?

The ASUS PRIME B450M-A II uses the AMD AM4 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the ASUS PRIME B450M-A II support?

The ASUS PRIME B450M-A II supports up to 128 GB of DDR4 memory across 4 DIMM slots.

Does the ASUS PRIME B450M-A II have Wi-Fi?

No, the ASUS PRIME B450M-A II does not include built-in Wi-Fi.

How many M.2 slots does the ASUS PRIME B450M-A II have?

The ASUS PRIME B450M-A II has 1 M.2 slot for NVMe SSD storage.

What chipset does the ASUS PRIME B450M-A II use?

The ASUS PRIME B450M-A II is built on the B450 chipset, offering ATX form factor design for AMD platforms.

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