ASUS PRIME B840M-A WIFI AMD Socket AM5 AMD Ryzen 7000 Series AMD Ryzen 8000 Seri 90MB1J20-M0EAY0

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


Processor socket

Socket AM5


Compatible processor series

AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series


Supported processor sockets

Socket AM5


Processor manufacturer

AMD



Memory


Supported memory types

DDR5-SDRAM


Unbuffered memory

Yes


ECC ompatibility

ECC & Non-ECC


Number of memory slots

4


Maximum internal memory
2 GB


Memory slots type

DIMM


Memory channels

Dual-channel



Rear panel I/O ports


HDMI ports quantity

1


WiFi-AP antenna jack

1


DisplayPorts quantity

2


Ethernet LAN (RJ-45) ports

1


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 2?0 ports quantity

4



Internal I/O


Front panel audio connector

Yes


USB 2?0 connectors

2


USB 3?2 Gen 1 (3?1 Gen 1) connectors

2


ATX Power connector (24-pin)

Yes


CPU fan connector

Yes


S/PDIF out connector

Yes


Number of COM connectors

1

V power connector

Yes


Number of SATA III connectors

4


Number of chassis fan connectors

3


Front panel connector

Yes


TPM connector

Yes



Graphics


Parallel processing technology support

Not supported



Weight & dimensions


Width

244 mm


Depth

244 mm



BIOS


BIOS type

UEFI AMI


BIOS memory size

256 Mbit



Packaging content


Cables included

SATA


Antenna included

Yes


Screws included

Yes



Storage controllers


Supported storage drive types

HDD & SSD


Number of storage drives supported

7


RAID support

Yes


RAID levels

0, 1, 5, 10


Supported storage drive interfaces

M.2, SATA III


Number of HDDs supported

4



Network


Wi-Fi standards

Wi-Fi 6E (802.11ax)


Bluetooth

Yes


Wi-Fi

Yes


Top Wi-Fi standard

Wi-Fi 6E (802.11ax)


Ethernet LAN

Yes


Ethernet interface type

2.5 Gigabit Ethernet


Bluetooth version

5.3



Expansion slots


PCI Express x16 (Gen 3?x) slots

2


Number of M?2 (M) slots

3


3rd M?2 highest PCI Express generation

3.0


1st M?2 largest key size

2280


2nd M?2 largest key size

2280


2nd M?2 highest PCI Express generation

4.0


1st M?2 highest PCI Express generation

4.0


PCI Express x16 (Gen 4?x) slots

1


3rd M?2 largest key size

2280



Features


Windows operating systems supported

Windows 10 x64, Windows 11


Motherboard chipset family

AMD


Component for

PC


Audio output channels

7.1 channels


Motherboard form factor

micro ATX



Packaging data


Package height

67.5 mm


Package depth

275 mm


Package width

275 mm


Package weight

1.52 kg