Quick Summary
The ASUS PRIME B840M-A WIFI is an AMD B840 mATX motherboard with DDR5 support, PCIe 4.0 readiness, three M.2 slots, Wi-Fi 6E, Realtek 2.5Gb Ethernet, DisplayPort, HDMI, rear and front USB 5Gbps Type-C support, and BIOS FlashBack. It is built around the AMD AM5 socket and is described as ready for AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors.
For buyers building or updating an AM5 desktop, the key checks are processor compatibility, motherboard size, and the connections you need for storage, networking and display output.
Who It Is Best For
This motherboard suits buyers who want an AM5 board with integrated Wi-Fi, wired networking, multiple M.2 storage slots, and both DisplayPort and HDMI outputs. It also suits people who want rear and front USB 5Gbps Type-C support and BIOS FlashBack as part of the board’s feature set.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Model | ASUS PRIME B840M-A WIFI, identifying the exact board variant. |
| Chipset | AMD B840, which is the platform named in the product title. |
| Form factor | mATX, so it should be checked against the case space you have available. |
| Socket | AMD AM5, for AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors as stated. |
| Memory support | DDR5, so buyers should match their RAM choice to DDR5 rather than other memory types. |
| Storage | Three M.2 slots, giving room for multiple M.2 storage devices. |
| Graphics outputs | DisplayPort and HDMI are both listed for display connection. |
| Networking | Wi-Fi 6E and Realtek 2.5Gb Ethernet are included for wireless and wired networking. |
| USB Type-C support | Rear and front USB 5Gbps Type-C support is listed, which matters if your case or peripherals use Type-C. |
| BIOS feature | BIOS FlashBack is listed, which is a useful board feature to note before installation. |
Why Buyers Choose It
- Three M.2 slots provide multiple storage expansion points on one board.
- Wi-Fi 6E and Realtek 2.5Gb Ethernet give both wireless and wired network connection options.
- DisplayPort and HDMI outputs give more than one way to connect a monitor.
- Rear and front USB 5Gbps Type-C support helps when planning case front-panel and rear I/O connections.
- BIOS FlashBack is a useful feature to check if you want easier BIOS updating support.
What To Know Before You Buy
Confirm that your processor is an AMD AM5-compatible Ryzen 9000, 8000 or 7000 Series Desktop Processor before ordering. Check that your case accepts an mATX motherboard, and make sure your memory choice is DDR5. If you plan to use M.2 storage, monitor connections or Type-C devices, review the listed slots and ports against your build requirements.
Common Buyer Questions
Which processors does this board support?
It is described as ready for AMD Socket AM5 and AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors.
What memory type does it use?
DDR5 is listed, so the board is intended for DDR5 memory.
How many M.2 slots are included?
Three M.2 slots are listed.
Does it have both wireless and wired networking?
Yes. Wi-Fi 6E and Realtek 2.5Gb Ethernet are both listed.
Final Buying View
The ASUS PRIME B840M-A WIFI is a clear choice if you want an AM5 mATX motherboard with DDR5, multiple M.2 slots, Wi-Fi 6E and 2.5Gb Ethernet. Check socket compatibility, case size and the connections you need before ordering.
