MSI AM5 B850M GAMING PLUS WIFI M-ATX
AM5, AMD B850, mATX9 pieces in stock at supplier
Product details
MSI MAG B850M Mortar WiFi is designed for gamers with a stable, durable, and DIY-friendly foundation for their PC builds. Featuring a true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, supplemental PCIe power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.
MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.
12+2+1 Duet Rail Power System
Unleash and sustain maximum performance with a flagship VRM design built with a total of 12+2+1 digital power phases. Combining dual power connectors and 60A Smart Power Stage, MAG B850M Mortar WiFi is ready for the challenge of high-end processors.
Extended Heatsink
The extended heatsink enlarges the surface of heat dissipation and maintains performance under heavy loads.
Double-sided M.2 Shield Frozr
The strengthened M.2 thermal solution helps keep M.2 SSDs safe and ensures incredible performance.
Heavy Plated VRM Heatsink
The VRM heatsink covers the upper MOS and helps dissipate heat.
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.
Enlarged Chipset Heatsink
The enlarged 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.
Processor family | AMD 7000 Series |
Memory type | DDR5 RAM |
Number of memory modules (RAM) | 4 x |
Internal connection options | M.2 (3x), S-ATA (4x) |
Wireless transmission | Bluetooth, Wi-Fi |
Mainboard features | Front panel audio connector, RGB header |
Item number | 59673320 |
Manufacturer | MSI |
Category | Motherboards |
Manufacturer no. | B850M GAMING PLUS WIFI |
Release date | 24.6.2025 |
Form factor | Micro ATX (mATX) |
Socket | AM5 |
Chipset | AMD B850 |
Mainboard features | Front panel audio connector, RGB header |
Operating system compatibility | Windows |
BIOS type | UEFI AMI |
Wireless transmission | Bluetooth, Wi-Fi |
Wi-Fi standard | Wi-Fi 7 / 802.11be |
Processor family | AMD 7000 Series |
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 | 8200 MHz |
Supported memory speed | 4800 MHz, 6400 MHz, 8200 MHz |
Memory type | DDR5 RAM |
RAM buffer | Unbuffered |
Video connections | HDMI OUT (1x) |
Video connection version | HDMI 2.1 |
Network connections | RJ45 (1x) |
Ethernet controller brand | Realtek |
Max. port speed | 5 Gbit/s |
Chip | Realtek ALC897 |
Audio channel | 7.1 Channel |
RAID configuration | 0, 1, 10 |
Internal connection options | M.2 (3x), S-ATA (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 |
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 (2x) |
Power connectors | 24-pin ATX |
CO₂-Emission | |
Climate contribution |
Scope of delivery | Memory type: DIMM. Supported storage drive interfaces: M.2 |
Length | 243.80 mm |
Width | 243.80 mm |
Height | 243.84 mm |
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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.Gigabyte2.6 %
- 1.MSI2.6 %
- 3.AsRock2.8 %
- 3.ASUS2.8 %
- 5.Supermicro3.1 %
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.Biostar0 days
- 2.AsRock1 day
- 3.MSI2 days
- 3.Supermicro2 days
- 5.NZXT6 days
Return rate
How often is a product of this brand in the «Motherboards» category returned?
Source: Digitec Galaxus- 1.MSI4.8 %
- 2.ASUS5 %
- 3.Gigabyte5.1 %
- 4.NZXT6.4 %
- 4.Supermicro6.4 %