Technical Snapshot

The MSI B840M GAMING WIFI6E is a Micro-ATX motherboard based on the B840 chipset for AMD AM5 processors. It supports DDR5 memory with up to 128 GB across 2 DIMM slots. Features include WiFi 6E, 2.5G LAN LAN, and 2 M.2 slots.

Use Case
Desktop PC builds, gaming, workstation
Compatibility
AMD AM5 processors
Category
Micro-ATX Motherboard — B840 Chipset
MSI B840M GAMING WIFI6E
MSI PRODUCT
MSI

B840M GAMING WIFI6E

B840 · AMD AM5 · Micro-ATX · DDR5 up to 128 GB

CPU socket: AMD AM5. Compatible with AMD Ryzen desktop processors.
SocketAMD AM5
Maximum supported memory: 128 GB DDR5 across 2 DIMM slots.
Max RAM128 GB
B840 chipset with PCIe and M.2 expansion slots.
ChipsetB840
Micro-ATX form factor — compact build compatible.
Form FactorMicro-ATX
MPNB840M GAMING WIFI6E
CategoryMotherboards
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Connectivity & Expansion

PCIe x162
M.2 Slots2
SATA Ports4
Wi-FiWiFi 6E
BluetoothBT 5.3
LAN2.5G LAN
AudioRealtek® ALC897

Full Specifications

ChipsetB840
SocketAMD AM5
Form FactorMicro-ATX
Memory TypeDDR5
DIMM Slots2
Max RAM128 GB
PCIe x16 Slots2
M.2 Slots2
SATA Ports4
Wi-FiWiFi 6E
BluetoothBT 5.3
LAN2.5G LAN
AudioRealtek® ALC897

Support & Downloads

Latest Firmware & DriversVisit MSI for the latest updates
MSI Downloads →
MSI B840M GAMING WIFI6E DocumentationPDF · Installation guide and specifications
MSI Support →
← Back to MSI Motherboard Catalog

Frequently Asked Questions

What socket does the MSI B840M GAMING WIFI6E use?

The MSI B840M GAMING WIFI6E uses the AMD AM5 socket, compatible with AMD Ryzen desktop processors.

How much RAM does the MSI B840M GAMING WIFI6E support?

The MSI B840M GAMING WIFI6E supports up to 128 GB of DDR5 memory across 2 DIMM slots.

Does the MSI B840M GAMING WIFI6E have Wi-Fi?

Yes, the MSI B840M GAMING WIFI6E features built-in WiFi 6E with Bluetooth BT 5.3.

How many M.2 slots does the MSI B840M GAMING WIFI6E have?

The MSI B840M GAMING WIFI6E has 2 M.2 slots for NVMe SSD storage.

What chipset does the MSI B840M GAMING WIFI6E use?

The MSI B840M GAMING WIFI6E is built on the B840 chipset, offering Micro-ATX form factor design for AMD platforms.

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Product: MSI B840M GAMING WIFI6E
MPN: B840M GAMING WIFI6E
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Properties: 13 additionalProperty entries