B840-PLUS WIFI
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840-PLUS 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 storage drives supported |
7 |
Number of HDDs supported |
4 |
Supported storage drive interfaces |
M.2, SATA III |
Supported storage drive types |
HDD & SSD |
Graphics |
On-board graphics card |
No |
Parallel processing technology support |
Not supported |
Internal I/O |
TPM connector |
Yes |
Number of COM connectors |
1 |
Thunderbolt headers |
1 |
12V power connector |
Yes |
Chassis intrusion connector |
Yes |
Number of chassis fan connectors |
4 |
CPU fan connector |
Yes |
ATX Power connector (24-pin) |
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 |
1 |
HDMI ports quantity |
1 |
Ethernet LAN (RJ-45) ports |
1 |
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity |
1 |
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity |
1 |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
2 |
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 |
Product colour |
Aluminium, Black |
Audio output channels |
7.1 channels |
Motherboard chipset |
AMD B840 |
Motherboard chipset family |
AMD |
Motherboard form factor |
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 |
3 |
PCI Express x16 (Gen 4.x) slots |
1 |
PCI Express x1 (Gen 3.x) slots |
1 |
BIOS |
BIOS memory size |
256 Mbit |
BIOS type |
UEFI AMI |
Packaging data |
Package weight |
1.26 kg |
Package height |
68 mm |
Package depth |
273 mm |
Package width |
353 mm |
Weight & dimensions |
Depth |
244 mm |
Width |
305 mm |
Packaging content |
Antenna included |
Yes |
Screws included |
Yes |
Cables included |
SATA |