ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX
£122.66
£102.22
AMD B840 Chipset, 4 x DIMM slots, max. 192GB, DDR5, 3 x M.2 slots and 4 x SATA 6Gb/s ports
More Information
| Processor socket | Socket AM5 |
|---|---|
| Component for | PC |
| Motherboard form factor | Micro ATX |
| Compatible processor series | AMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series |
| SKU | 90MB1J20-M0EAY0 |
| EAN | 4711387797143 |
| Manufacturer | ASUS |
| Availability | Y |
| PDF URLs |
View PDF |
Description
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.
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.
Specifications
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| Parallel processing technology support | Not supported |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| RAID levels | 0, 1, 5, 10 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 192 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 5, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| USB 2.0 ports quantity | 4 |
| WiFi-AP antenna jack | 1 |
| VGA (D-Sub) ports quantity | 0 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 0 |
| DisplayPorts quantity | 2 |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Expansion slots | |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 3.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Packaging data | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Weight & dimensions | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |
| Other features | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
Delivery Details
- UK distributors.
- Order before 4 pm for next-day delivery.
- Standard (2-3 days) £7.50
- Next Day £9.99
- Free standard delivery over £100
There are deivery surcharges to these postcodes:
| Postcode | Charge |
| IV3-40 | £20 |
| IV52-54 | £20 |
| IV63 | £20 |
| KW1-14 | £20 |
| PA10-40 | £20 |
| PH19-40 | £20 |
| PH50 | £20 |
| HS | £50 |
| IV41-51 | £50 |
| IV55-56 | £50 |
| KA27-28 | £50 |
| KW15-17 | £50 |
| PA41-49 | £50 |
| PA60-62 | £50 |
| PA76-78 | £50 |
| PH41-44 | £50 |
| ZE | £50 |
| IM | £50 |
| JE | £50 |
| GY | £50 |
| TR21-25 | £50 |
| BT | £20 |
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|---|---|---|---|---|---|---|
| SKU |
90MB1J20-M0EAY0
|
90MB15Q0-M0EAYC
|
90MB15J0-M0EAY0
|
90MB1BF0-M0EAY0
|
90MB1BZ0-M0EAY0
|
90MB1BP0-M0EAY0
|
| Manufacturer |
ASUS
|
ASUS
|
ASUS
|
ASUS
|
ASUS
|
ASUS
|
| Processor manufacturer |
AMD
|
AMD
|
AMD
|
AMD
|
AMD
|
AMD
|
| Motherboard form factor |
micro ATX
|
micro ATX
|
ATX
|
micro ATX
|
ATX
|
ATX
|
| Processor socket |
Socket AM5
|
Socket AM4
|
Socket AM4
|
Socket AM5
|
Socket AM5
|
Socket AM5
|
| Supported memory types |
DDR5-SDRAM
|
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR5-SDRAM
|
DDR5-SDRAM
|
DDR5-SDRAM
|
| Component for |
PC
|
PC
|
PC
|
PC
|
PC
|
PC
|
| Number of memory slots |
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|