Technical Snapshot

The ASUS PRIME B840-PLUS WIFI is a ATX motherboard based on the B840 chipset for AMD AM5 processors. It supports DDR5 memory with up to 256 GB across 4 DIMM slots. Features include WiFi 6E, 2.5G LAN, and 3 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM5 processors
Category
ATX Motherboard — B840 Chipset
ASUS PRIME B840-PLUS WIFI
ASUS PRODUCT
ASUS

PRIME B840-PLUS WIFI

B840 · 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
B840 chipset with PCIe and M.2 expansion slots.
ChipsetB840
ATX form factor — standard tower compatible.
Form FactorATX
MPNPRIME B840-PLUS WIFI
CategoryMotherboards
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Connectivity & Expansion

PCIe x161
M.2 Slots3
SATA Ports4
Wi-FiWiFi 6E
Bluetooth5.3
LAN2.5G

Full Specifications

ChipsetB840
SocketAMD AM5
Form FactorATX
Memory TypeDDR5
DIMM Slots4
Max RAM256 GB
PCIe x16 Slots1
M.2 Slots3
SATA Ports4
Wi-FiWiFi 6E
Bluetooth5.3
LAN2.5G
RGBYes
SeriesPRIME

Support & Downloads

Latest Firmware & DriversVisit ASUS for the latest updates
ASUS Downloads →
ASUS PRIME B840-PLUS WIFI DocumentationPDF · Installation guide and specifications
ASUS Support →
← Back to ASUS Motherboard Catalog

Frequently Asked Questions

What socket does the ASUS PRIME B840-PLUS WIFI use?

The ASUS PRIME B840-PLUS WIFI uses the AMD AM5 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the ASUS PRIME B840-PLUS WIFI support?

The ASUS PRIME B840-PLUS WIFI supports up to 256 GB of DDR5 memory across 4 DIMM slots.

Does the ASUS PRIME B840-PLUS WIFI have Wi-Fi?

Yes, the ASUS PRIME B840-PLUS WIFI features built-in WiFi 6E with Bluetooth 5.3.

How many M.2 slots does the ASUS PRIME B840-PLUS WIFI have?

The ASUS PRIME B840-PLUS WIFI has 3 M.2 slots for NVMe SSD storage.

What chipset does the ASUS PRIME B840-PLUS WIFI use?

The ASUS PRIME B840-PLUS WIFI is built on the B840 chipset, offering ATX form factor design for AMD platforms.

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