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MSI

MSI MAG B850M MORTAR WIFI Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - Micro ATX

$239.99
None availableas of 06/15/2026

Ships when available. Free shipping on most items when you spend $100 or more.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

MAG B850M MORTAR WIFI

MAG B850M MORTAR WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with 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.

MAG | MSI ARSENAL GAMING

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.

EZ M.2 INSTALLATION

MSI's exclusive EZ M.2 Shield Frozr II and EZ M.2 CLIP II make M.2 installation seamless. Insert the SSD card into the slot and press it down to lock it in place with the clip. As fasten the SSD, flick the clip outwards and then the SSD is removed. The process is smooth, and you don't need to use your tools like before. One finger can give you perfect DIY experience.

Technical specifications

General Information

Manufacturer MSI
Manufacturer Part Number MAGB850MMORTARWIFI
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Line MAG
Product Model B850M MORTAR WIFI
Product Name MAG B850M MORTAR WIFI Gaming Desktop Motherboard
Product Type Gaming Desktop Motherboard

Processor & Chipset

Chipset Manufacturer AMD
Chipset Model B850
Total Processor Supported 1
Processor Socket Socket AM5
Processor Supported Ryzen 9Ryzen 7

Memory

Number of Memory Slots 4
Memory Form Factor DIMMUDIMM
Maximum Memory 256 GB
Memory Technology DDR5 SDRAM
Memory Speed Supported 5600 MHz6400 MHz8200 MHz4800 MHz

I/O Controller

Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 50110

Video

Onboard Video CPU Dependent Video

Audio

Audio Channels 7.1

Network & Communication

Bluetooth Yes
Bluetooth Standard Bluetooth 5.4
Gigabit Ethernet Yes
Wireless LAN Yes
Wireless LAN Standard IEEE 802.11 a/b/g/n/ac/ax/be

I/O Expansions

Total Number of Expansion Slots 2
PCI Express Standard PCI Express 5.0PCI Express 4.0
Total Number of PCI Express Slots 2
Number of PCI Express x4 Slots 1
Number of PCI Express x16 Slots 1

Interfaces/Ports

Total Number of USB Ports 9
S / PDIF Yes
HDMI Yes
HDMI Version
  • 2.1
Number of Network (RJ-45) Ports 1

Onboard Interfaces

Number of SATA Interfaces 4
Number of M.2 Interfaces 3
Total Number of Onboard USB Ports 7
Number of Onboard USB 2.0 Ports 4

Physical Characteristics

Form Factor Micro ATX
Width 9.6"
Depth 9.6"

Miscellaneous

Package Contents
  • MAG B850M MORTAR WIFI Gaming Desktop Motherboard
  • Quick Installation Guide
  • European Union Regulatory Notice
  • 1 x SATA Cable
  • 2 x EZ M.2 Clips II
  • 1 x M.2 Screw
  • EZ M.2 Clip II Remover
  • Cable Sticker
  • EZ Wi-Fi Antenna
  • 1 to 2 EZ Conn-Cable (V1)
  • EZ Front Panel Cable
Brand Compatibility AMD

Warranty

Limited Warranty 3 Year

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.