ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX
B840M-A WIFI
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-A WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
| Processor | |
|---|---|
| Supported processor sockets | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Processor manufacturer | AMD |
| Memory | |
|---|---|
| Unbuffered memory | Yes |
| Maximum internal memory | 192 GB |
| ECC сompatibility | ECC & Non-ECC |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR5-SDRAM |
| Storage controllers | |
|---|---|
| RAID levels | 0, 1, 5, 10 |
| RAID support | Yes |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 7 |
| Supported storage drive interfaces | M.2, SATA III |
| Supported storage drive types | HDD & SSD |
| Graphics | |
|---|---|
| Parallel processing technology support | Not supported |
| Internal I/O | |
|---|---|
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| Number of chassis fan connectors | 3 |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Front panel connector | Yes |
| Front panel audio connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| USB 2.0 connectors | 2 |
| Rear panel I/O ports | |
|---|---|
| WiFi-AP antenna jack | 1 |
| DisplayPorts quantity | 2 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 2.0 ports quantity | 4 |
| Network | |
|---|---|
| Bluetooth version | 5.3 |
| Bluetooth | Yes |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Ethernet LAN | Yes |
| Features | |
|---|---|
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Audio output channels | 7.1 channels |
| Motherboard chipset | AMD B840 |
| Motherboard chipset family | AMD |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Expansion slots | |
|---|---|
| 3rd M.2 highest PCI Express generation | 3.0 |
| 3rd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 1st M.2 largest key size | 2280 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| Packaging data | |
|---|---|
| Package weight | 1.52 kg |
| Package height | 67.5 mm |
| Package depth | 275 mm |
| Package width | 275 mm |
| Weight & dimensions | |
|---|---|
| Depth | 244 mm |
| Width | 244 mm |
| Packaging content | |
|---|---|
| Screws included | Yes |
| Cables included | SATA |
| Antenna included | Yes |
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Grade
-
Part Number
Brand New – This product is Brand New and in it’s original
packaging.
New - Open Box - This product is unused but the box has been opened.
New – No Box – This product is unused but doesn’t come with
the original box/packaging.
Refurbished – This product has been refurbished by ourselves
or by the manufacturer.
Excellent Used – This item is used, tested and fully working
but in like new condition. It may come with it’s original packaging or not,
please check the product description.
Good Used – This item is used, tested and fully working but
will show signs of cosmetic wear and tear. It may come with it’s original packaging
or not, please check the product description.
Parts – This item is sold just for parts, meaning it is
unworking or unable to serve it’s purpose. It may come with it’s original packaging
or not, please check the product description.
Brand New Products: All our Brand New products come with Manufaturer warranty. These can vary in length and it's important to check with the manufaturer of the product what warranty they provide and what is covered.
Used Products: All our used products come with 1 years warranty provided by us and some products may have manufaturer warranty.
Refurbished Products: With our refurbished products, we offer a free 3-month warranty which covers all software and hardware issues, that have not been influenced by the customer. There is also Manufactured Refurbished products which they will specify how long their warranty is.
Custom Gaming PCs: All our Custom PCs by default come with 3 years warranty. This includes parts and labour. You can also upgrade to 5 years warranty. Our warranty includes all hardware issues relating to the machine. If there is any faults, we will attempt to solve this remotely and if needed get the PC collected and back to base for repair.
Read more - Warranty Information
