MSI B850M GAMING PLUS WIFI

AM5, AMD B850, Micro ATX (mATX)
Delivered between Wed, 25.3. and Fri, 27.3.
10 pieces in stock at supplier
free shipping

Product details

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

MSI's Mainstream MAG series epitomises stability and durability and is designed to withstand the most intense gaming sessions. The entire range is characterised by a robust construction with metal-like hardness and excellent heat dissipation to ensure the stability of all critical gaming components.

12+2+1 Duet Rail Power System
Unleash and maintain maximum performance with a top-of-the-line VRM design consisting of a total of 12+2+1 digital power phases. With the combination of dual power connectors and 60A Smart Power Stage, the MAG B850M Mortar WiFi is ready for the challenges of powerful processors.

Extended heat sink
The extended heat sink increases the surface area of heat dissipation and maintains performance under high loads.

Double-sided M.2 Shield Frozr
The reinforced M.2 thermal solution helps protect M.2 SSDs and delivers incredible performance.

Heavy-duty VRM heatsink
The VRM heatsink covers the upper MOS and helps dissipate heat.

7W/mK thermal pad & additional throttle pad
High quality 7W/mK MOSFET thermal pad and additional throttle thermal pad ensure stable performance when all cores are running at high speed.

Enlarged chipset heatsink
The enlarged heatsink is designed to reduce dust and noise and is able to maintain high heat dissipation efficiency.

High bandwidth and low latency network
MSI's premium networking solution offers incredible data transfer speeds for demanding users.

Key specifications

Mainboard features
Clear CMOS ButtonFront panel audio connector
Wireless transmission
BluetoothWi-Fi
Number of memory modules (RAM)
4x
Internal connection options
M.2 PCIe (2x)S-ATA III (4x)

General information

Item number
59673320
Manufacturer
MSI
Category
Motherboards
Manufacturer no.
B850M GAMING PLUS WIFI
Release date
14.1.2026

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B850
Mainboard features
Clear CMOS ButtonFront panel audio connector
Operating system compatibility
Windows
BIOS type
UEFI AMI
Wireless transmission
BluetoothWi-Fi
Wi-Fi standard
Wi-Fi 1 / 802.11bWi-Fi 2 / 802.11aWi-Fi 3 / 802.11gWi-Fi 4 / 802.11nWi-Fi 5 / 802.11acWi-Fi 6 / 802.11axWi-Fi 7 / 802.11be

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
4x
Max. memory (RAM)
256 GB
Memory chip
DDR5-5200DDR5-5600
Max. RAM OC
8200 MHz

Graphics properties

Video connections
DisplayPort (1x)HDMI (1x)
Video connection version
Display port 1.4HDMI 2.1

Network

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

Audio

Chip
Realtek ALC897
Audio channel
7.1 Channel

Data storage

RAID configuration
0110

Internal interfaces

Internal connection options
M.2 PCIe (2x)S-ATA III (4x)
Expansion slot
PCI Express x16 (Gen 3) (1x)PCI Express x16 (Gen 4) (1x)
PCI express version (max.)
5
Number of fan connector
2

Further connections

USB ports
USB-AUSB-C
Exact USB ports
USB-A 3.2 Gen 1 (3x)USB-A 3.2 Gen 2 (3x)USB-C 3.2 Gen 2 (2x)

Power supply

Power connectors
24-pin ATX8-pin ATX 12V

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
2273.55 kg
Climate contribution
CHF 7.50

Product dimensions

Length
243.84 mm
Width
243.84 mm
Weight
1480 g

Package dimensions

Length
28.60 cm
Width
27.60 cm
Height
7.40 cm
Weight
1.48 kg

30-day right of return
24 Months Warranty (Bring-in)
2 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.MSI
    2.4 %
  • 2.Gigabyte
    2.5 %
  • 3.ASUS
    2.6 %
  • 4.AsRock
    2.9 %
  • 5.Supermicro
    3.4 %

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.Supermicro
    0 days
  • 2.AsRock
    4 days
  • 3.MSI
    5 days
  • 4.ASUS
    8 days
  • 5.Gigabyte
    10 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    4.7 %
  • 2.ASUS
    5 %
  • 2.Gigabyte
    5 %
  • 4.AsRock
    5.8 %
  • 5.Biostar
    8.3 %
Source: Digitec Galaxus