MSI B840M GAMING PLUS WIFI6E AM5 mATX MB

AM5, AMD B840, mATX
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Delivered between Sat, 9.8. and Wed, 13.8.
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Product details

B840M Gaming Plus WiFi6E

The B840M Gaming Plus WiFi6E is crafted to offer extensive connectivity, versatile tools, and a Wi-Fi solution for gamers seeking a comprehensive experience. Featuring Wi-Fi 6E, 2.5G LAN, PCIe 4.0 solution, and exclusive EZ DIY features, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 9000 series processors.

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

7+2+1 P-PAK Power System

Unleash and sustain maximum performance with a flagship VRM design built with a total of 7 + 2 + 1 digital power phases. With an 8-pin power connector, B840M Gaming Plus WiFi6E is ready for the challenge of heavy-loading tasks.

Optimized PCB Solution

The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.

Extended Heatsink

The extended heatsink enlarges the surface of heat dissipation and maintains performance under heavy loads.

M.2 Shield Frozr

The strengthened M.2 thermal solution helps keep M.2 SSDs safe and ensures incredible performance.

7W/mK Thermal Pad & Additional Choke Pad

High-quality 7W/mK MOSFET thermal pads and additional choke thermal pads ensure stable performance when all cores are running at high speed.

Chipset Heatsink

The heatsink is designed to reduce dust and noise and is capable of maintaining high efficiency of heat dissipation.

High-Bandwidth and Low-Latency Network

MSI's premium network solution provides incredible data transfer speed for demanding users.

Key specifications

Processor family
AMD 7000 Series
Memory type
DDR5 RAM
Number of memory modules (RAM)
4 x
Internal connection options
M.2 (2x), S-ATA III (4x)
Wireless transmission
Bluetooth, Wi-Fi
Mainboard features
RGB header
Item number
58523933

General information

Manufacturer
MSI
Category
Motherboards
Manufacturer no.
7E77-003R
Release date
13.5.2025

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B840
Mainboard features
RGB header
Operating system compatibility
Windows
BIOS type
UEFI AMI
Wireless transmission
Bluetooth, Wi-Fi
Wi-Fi standard
Wi-Fi 6 / 802.11ax

Processor

Processor family
AMD 7000 Series

Memory

Memory form factor
DIMM
Number of pins
288 x
Number of memory modules (RAM)
4 x
Max. memory (RAM)
256 GB
Memory chip
DDR5 SDRAM
Max. RAM OC
8000 MHz
Supported memory speed
4800 MHz, 5600 MHz, 8000 MHz
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
HDMI (1x)
Video connection version
HDMI 2.1

Network

Network connections
RJ45 2.5 Gigabit Ethernet (1x)
Ethernet controller brand
Realtek
Ethernet controller
Realtek RTL8125
Max. port speed
2.50 Gbit/s

Audio

Chip
Realtek ALC897
Audio channel
7.1 Channel

Data storage

RAID configuration
0, 1, 10

Internal interfaces

Internal connection options
M.2 (2x), S-ATA III (4x)
Expansion slot
PCI Express x16 (2x)
PCI express version (max.)
4
Number of fan connector
5

Further connections

USB ports
USB-A, USB-C
Exact USB ports
USB-A 2.0 (4x), USB-A 3.2 Gen 1 (2x), USB-C 3.2 Gen 2 (1x)

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
243.84 mm
Width
243.84 mm
Height
243.84 mm

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.MSI
    2.6 %
  • 2.Gigabyte
    2.7 %
  • 3.AsRock
    2.8 %
  • 3.ASUS
    2.8 %
  • 5.Supermicro
    2.9 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Biostar
    0 days
  • 2.AsRock
    1 day
  • 3.MSI
    2 days
  • 3.Supermicro
    2 days
  • 5.NZXT
    5 days

Return rate

How often is a product of this brand in the «Motherboards» category returned?

Source: Digitec Galaxus
  • 1.MSI
    4.8 %
  • 2.ASUS
    5 %
  • 3.Gigabyte
    5.1 %
  • 4.NZXT
    5.4 %
  • 5.AsRock
    6.4 %
Source: Digitec Galaxus