MSI MAG B850M Mortar WiFi

AM5, AMD B850, mATX
14Ratings
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Product details

The MSI MAG B850M Mortar WiFi is designed for gamers, providing a stable, durable, and DIY-friendly foundation for their PC builds. It features a true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, additional PCIe power, and exclusive EZ DIY features, making it ready for the challenges of AMD Ryzen 9000 series processors.

MSI's mainstream MAG series embodies stability and durability, designed to withstand even the most intense gaming sessions. The entire product line is characterized by a robust construction with metal-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

Key specifications

Mainboard features
Clear CMOS Button, RGB header, Trusted Platform Module
Wireless transmission
Bluetooth, Wi-Fi
Number of memory modules (RAM)
4x
Memory type
DDR5-RAM
Internal connections
M.2 (3x), S-ATA III (4x)

General information

Item number
57576537
Manufacturer
MSI
Category
Motherboards
Manufacturer No.
7E61-001R
Release date
13.5.2025
Sales rank in Category Motherboards
90 of 1117

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B850
Mainboard features
Clear CMOS Button, RGB header, Trusted Platform Module
Operating system compatibility
Windows 10, Windows 11 Home
BIOS type
UEFI AMI
Wireless transmission
Bluetooth, Wi-Fi
Wi-Fi standard
Wi-Fi 7 / 802.11be

Memory

Memory form factor
U-DIMM
Number of memory modules (RAM)
4x
Max. memory (RAM)
256 GB
Max. RAM OC
8200 MHz
Supported memory speed
4800 MHz, 5600 MHz, 6400 MHz, 8200 MHz
Memory type
DDR5-RAM

Graphics properties

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

Network

Network connections
RJ45 (1x)
Ethernet controller brand
Realtek
Max. port speed
5 Gbit/s

Audio

Chip
Realtek ALC4080

Data storage

RAID configuration
0, 1, 10

Internal interfaces

Internal connections
M.2 (3x), S-ATA III (4x)
Expansion slot
PCI Express x16 (1x), PCI Express x4 (1x)
PCI express version (max.)
5
Number of fan connector
2

Further connections

USB ports
USB-A, USB-C
Exact USB ports
USB-A 2.0 (4x), USB-A 3.2 Gen 1 (4x), USB-A 3.2 Gen 2 (3x), USB-C 3.2 Gen 2 (1x), USB-C 3.2 Gen 2x2 (1x)

Power supply

Power connectors
24-pin ATX

Origin

Country of origin
China, Taiwan

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

COâ‚‚ emissions
2820.86 kg
Climate contribution
CHF 8.35

Scope of delivery

Scope of delivery
Wifi Antenna

Product dimensions

Length
243.84 mm
Width
243.84 mm
Weight
1600 g

Package dimensions

Length
28 cm
Width
28 cm
Height
7 cm
Weight
1.82 kg

30-day right of return
24 Months Warranty (Bring-in)
6 additional offers

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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.ASUS
    2.4 %
  • 1.MSI
    2.4 %
  • 3.Gigabyte
    2.6 %
  • 4.Biostar
    2.7 %
  • 5.AsRock
    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.MSI
    4 days
  • 2.ASUS
    7 days
  • 3.Gigabyte
    8 days
  • 4.NZXT
    9 days
  • 5.AsRock
    10 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    4.9 %
  • 2.Gigabyte
    5 %
  • 3.ASUS
    5.2 %
  • 4.AsRock
    5.7 %
  • 5.Sapphire
    6 %
Source: Digitec Galaxus