ASUS PRIME B840M-A WIFI

ASUS PRIME B840M-A WIFI
  • Socket AM5
  • AMD B840 chipset
  • Micro-ATX format
  • 4x DDR5
  • 3x M.2, WiFi, Bluetooth 5.3
184.99
150.40 excl. VAT
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Information

The ASUS PRIME B840M-A WIFI is a Micro-ATX motherboard designed for AMD processors, fitting the Socket AM5 platform and supporting the AMD Ryzen 7000, 8000, and 9000 Series. Built around the AMD B840 chipset, this white-colored board measures 244 x 244 mm and offers a solid foundation for both everyday computing and more demanding workloads. It supports DDR5 memory across four DIMM slots in dual-channel configuration, with a maximum capacity of 192 GB and overclocked speeds reaching 7600+ MHz.

Connectivity and Expansion
The ASUS PRIME B840M-A WIFI provides extensive connectivity options. It features three M.2 slots, two running at PCIe 4.0 and one at PCIe 3.0, all supporting up to 2280 form factor drives. Four SATA III connectors are also available for additional storage. On the expansion side, there is one PCIe x16 Gen 4 slot and two PCIe 3.0 x16 slots. Display output is handled by two DisplayPorts and one HDMI port. USB connectivity is broad, including USB 3.2 Gen 2 Type-A, Type-C, and multiple USB 2.0 ports.

Wireless and Audio Capabilities
For wireless communication, the board integrates Wi-Fi 6E (802.11ax) and Bluetooth 5.3, keeping it ready for modern network environments. Wired networking is provided by a Realtek 2.5GbE LAN controller. Audio is managed by a Realtek 7.1 Surround Sound HD Audio CODEC, delivering up to 7.1 channel output for an immersive sound experience.

Specifications

Brand:
ASUS
Product number:
21754540
Product number manufacturer:
90MB1J20-M0EAY0

Audio

Audio chip:
Realtek 7.1 Surround Sound HD Audio CODEC
Audio output channels:
7.1 kanalen

BIOS

BIOS memory :
256 Mbit
BIOS type:
UEFI AMI

Connectivity

DisplayPorts:
2
DVI-D ports:
0
HDMI ports:
1
LAN (RJ-45) ports:
1
S/PDIF (out):
USB 2.0 ports:
6
USB 3.2 (Gen 1) type A ports:
1
USB 3.2 (Gen 1) type C ports:
2
USB 3.2 (Gen 2) type A ports:
2
WiFi-AP antenna jack:
1

Expansion slots

PCI Express 3.0 x16 slots:
2

Internal I/O

12V power connector:
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
4.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
3.0
ATX Power connector (24-pin):
Chassis fan connector(s):
3
CPU fan connector:
Front panel audio connector:
M.2 ports:
3
SATA III connectors:
4
TPM connector:
USB 2.0 Headers:
2
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
2

Memory

ECC compatibility:
ECC & Niet-ECC
Maximum memory:
192 GB
Memory channels support:
Dual-Channel
Memory slots:
4
Memory slots type:
DIMM
Memory types supported:
DDR5
Supported memory clock speeds (OC):
7600+ (OC) MHz
Unbuffered:

Networking

Bluetooth:
Bluetooth version:
5.3
LAN controller:
Realtek 2.5GbE LAN chip
Network standard:
2500 Mbps
Network technology (wired):
Wi-Fi standard:
Wi-Fi 6E (802.11ax)
Wireless LAN (WiFi):

Packaging content

Cables included:
SATA

Physical characteristics

Colour of product:
Wit
Depth:
244 mm
Height:
244 mm
Model:
Micro-ATX
Width:
244 mm

Processor

Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor family:
AMD

Sockets

Supported socket:
Socket AM5

Technical details

Chipset:
AMD B840

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