MSI MAG B850M MORTAR WIFI MATX Motherboard For AMD Socket AM5 - B850 Chipset, Supports AMD Ryzen 9000 / 8000 / 7000 Series Processor, PCIE 5.0, 3xM.2, 4x DDR5, 2x Internal USB 2.0 Header, 1x Internal USB 3.2 Header, 1x Internal Type C Heade

MAG B850M MORTAR WIFI

- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
- Ultra Performance: 12+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 8-layer PCB made by 2oz thickened copper material
- Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
- EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Release and EZ Antenna
- Lightning Fast Game experience: PCIe 5.0 slot, Lightning Gen 5 x4 M.2, 20G USB Type-C
- 5G LAN with Wi-Fi 7 Solution: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost 5: Reward your ears with studio-grade sound quality for the most immersive gaming experience

MSI 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.

EXCLUSIVE FEATURES

THERMAL SOLUTION

CONNECTIVITY

EZ M.2 INSTALLATION

Carefully developed by MSI, allows SSD installation and removal without the need for screws, greatly enhancing convenience.

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.

EZ M.2 CLIP II REMOVER
Introducing MSI's EZ M.2 CLIP II Remover, a handy tool designed to simply switching or repositioning the EZ M.2 CLIP II on your motherboard. This tool allows users to effortlessly detach the EZ M.2 CLIP II from the motherboard and reattach it to any desired M.2 slot. It is included in the accessory kit that comes with MSI motherboards.

EZ GPU INSTALLATION

An easy-to-access physical button release mechanism that can help remove any PCIe card with a single tap, making it much easier to upgrade to a new GPU or other compatible device, streamlining the entire process and enhancing user experience.

EZ BUTTON

FLASH BIOS BUTTON
Flash the BIOS with only a connected power supply by following a few steps. CPU and memory not required.

CLEAR CMOS BUTTON
Restore the BIOS to the default settings - helpful in 99% of the cases to successfully boot again.

PRE-INSTALLED I/O SHIELD

The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup. With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build.

EZ MOUNTING

MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard.

EZ ANTENNA

MSI EZ Antenna makes the process effortless by simply attaching fasteners to the motherboard without rotation.

EZ CONN-DESIGN

The MSI exclusive JAF_1 header allows MPG EZ120 ARGB fan to operate with a single cable. Alternatively, the JAF_1 header can be converted into additional ARGB Gen 1 and fan headers by using a dedicated 1-to-2 EZ Conn-cable, streamlining and optimizing the entire building process.

EZ FRONT PANEL CABLE

This cable takes care of the tedious part of the build process, makes motherboard front panel connections quickly and accurately.

DRIVER UTILITY INSTALLER

Once connected to the internet, MSI Driver Utility Installer will detect and present suitable drivers and utilities automatically, you can download and install with just a few clicks. Learn more

*Please ensure to connect the internet, or the Driver Utility Installer won't launch automatically.
*MSI Driver Utility Installer will be ready in Windows 11 build 22H2.

EZ DEBUG

EZ DEBUG LED
Onboard LEDs will indicate the source of the problem so you know exactly where to look to get up and running again.

EZ MEMORY DETECTION LED
This LED lights up when it detects faulty memory in slots, eliminating guesswork from troubleshooting.

EZ IDENTIFY

HEADER WITH DIFFERENT COLOR
To better differentiate between pin headers for different purposes, mark the pump sys header and ARGB headers in white and PCIe 8-pin header in gray, enabling users to manage cables more efficiently.

IDENTIFY M.2 SIGNAL SOURCE
The motherboard has a detailed M.2 signal source list printed on it, allowing you to easily identify them.

IDENTIFY USB SPEED
Change the way USB speeds are described to numbers (rather than the confusing names like USB 3.2 Gen 2x2) for better understanding

EZ OVERCLOCKING

While overclocking can be overly complex for some, MSI Click BIOS X made it more accessible with multiple one-click overclock features for both processor and memory, allowing users to easily enhance system performance without delving into intricate settings.

GAME BOOST
One-click CPU overclock automatically optimizes your CPU performance, instantly tuning it to the best possible level.

AI BOOST
An intelligent algorithm boosts NPU performance to get the best possible AI performance when you need additional horsepower.
*Enabled with compatible processors.

EXPO / A-XMP
Choose from preset EXPO and A-XMP profiles to automatically overclock compatible DDR memory for optimal performance.

EZ OPTIMIZATION

A host of features inject artificial intelligence into key aspects of your computing experience to make smarter, real-time optimizations. The MSI Center offers a clean, minimal interface to customize and manage your PC settings. The AI Engine, for example, automatically adjusts settings based on the applications you're using, ensuring seamless performance.

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.

- 12 PHASE Vcore POWER SPS 60A
- 2 PHASE SOC POWER
- 1 PHASE MISC POWER

OPTIMIZED PCB SOLUTION

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

- 8 PCB layers
- 2oz Thickened Copper

EZ OC TUNING

PERFORMANCE PRESET
MSI exclusive Performance Preset is a more intuitive way to boost performance by setting the power limitation as your preference. There are two level setting - PBO Auto & PBO Enable.

PERFORMANCE SWITCH
Performance Switch combines the benefits of AMD default PBO(Precision Boost Overdrive) and MSI's own OC settings, provides higher CPU performance in both status of single-core and multi-core. This is for users who dare for the maximum performance.

PBO THERMAL POINT
MSI PBO Thermal profiles are setting maximum CPU temperature at 85°C, 75°C and 65°C levels. With the thermal profiles, the CPU operates at lower voltage and temperature but remaining the same performance.

CONFIG TDP
Config TDP is designed to provide ECO Mode (65W) or different TDP (PPT/TDC/EDC) settings for advanced users. By offering several profiles for different TDP settings in Click BIOS 5, Config TDP makes setting TDP profiles easier and don't need to modify settings manually for each TDP.

MORE FOR PERFORMANCE

1-SECOND OVERCLOCKING!
MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

LOAD-LINE CALIBRATION
What you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.

OVERVOLTAGE PROTECTION
Prevents potential short-circuit damage to the CPU and other critical components.

DDR5 MEMORY SUPPORT WITH HIGH PERFORMANCE

A huge step of DDR performance enhancement with the latest DDR5 memory. Combines with dedicated SMT welding process and MSI Memory Boost technology, MAG B850M MORTAR WIFI is ready to deliver the world-class memory performance.

- EXPO / A-XMP SUPPORT
- MEMORY BOOST
- SMT PROCESS

HIGH-EFFICIENCY MODE

The High-Efficiency Mode is designed to optimize memory performance byincreasing memory bandwidth and reducing latency. With the four sets of RAM timing settings, it allows users to find out the optimal configuration based on the quality of their memory modules.

LATENCY KILLER

MSI BIOS has introduced the latest Latency Killer feature on all AM5 socket motherboards. Users can enable Latency Killer in the BIOS to reduce memory latency by up to 12% when running at high frequencies. Importantly, it is compatible with a wide range of memory overclocking features, including Memory Try It!!, EXPO, A-XMP, and High-Efficiency Mode, etc.

- UP TO 12% Memory latency Reduction

*Supports BIOS versions after AGESA 1.2.0.2b.

Transient Voltage Suppressors (TVS)

Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.

Solid Pin Design

The 8-pin, and 24-pin power connectors of MSI motherboards are all designed with solid pins. The solid pin design allows for a more stable transmission of 12V power to the CPU, even when handling high current loads.

Advantages of Solid Pin Power connector
1. Improved stability : Larger contact area enhances stability during power delivery.
2. Low impedance : Solid pins offer low impedance, enabling efficient power flow.
3. Strong durability : The solid pin design ensures strong durability, capable of withstanding demanding conditions.
4. Suitable for high-current applications.

STAINLESS STEEL IO

An extra layer of sponge materials along with corrosive resistance IO Shield to help improve static electricity and reduce electromagnetic radiation noise from the system as well as much more durable compare to traditional IO Shields.

* The image above is an illustrative reference. Please refer to specification pages for more details.

Over Current Protection

MSI motherboards prioritize safety with the embedded Overcurrent Protection (OCP), ensuring crucial components such as the USB ports, DDR memory, PWM IC, and CPU are shielded from excessive current. This proactive defense mechanism curtails the risk of damage or malfunction due to power surges, promoting long-term system stability. This commitment to safeguarding your hardware underscores MSI's dedication to producing motherboards that prioritize durability and stability.

CPU / PWM IC

DDR memory Slots

Rear & Front USB ports

The Grounding Structure of Power Phases

The grounding structure of power phases is the MSI's exclusive design. This patented design enables to suppress the electromagnetic interference (EMI) generated by the power phases and helps to efficiently conduct heat to the copper plane with grounding properties.

Cooling Overview

1 - Extended Heatsink
Extended Heatsink enlarges the surface of heat dissipation and maintain the performance at heavy loads.

2 - Double-sided M.2 Shield Frozr
Strengthened M.2 thermal solution helps keep M.2 SSD safe and ensures incredible performance.

3 - Heavy Plated VRM Heatsink
The VRM heatsink covers the upper MOS and helps dissipate the heat.

4 - 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 runnging at high speed.

5 - Enlarged Chipset Heatsink
The enlarged heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.

DIY 2.0 - INTEGRATING WITH THE SYSTEM ENVIRONMENT

Connect and synchronize with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.

FOR CPU COOLER

FOR LIQUID COOLER
3A power deliver / Supports auto-detect

FOR SYSTEM FAN
Supports auto-detect

EXCLUSIVE EZ CONN. - JAF_1
2A power deliver(fan) / Supports dedicate MSI PC components.

COMBO FAN

The MSI Combo Fan Header is a versatile component, functioning as both a pump and or fan header. The header will automatically detects whether it is either pump or PWM/DC fan, with it's distinctive gray color ensuring easy identification

COOLING WIZARD

Cooling Wizard serves as a comprehensive solution for managing fan settings across all MSI products. It ensures superior cooling performance and noise reduction for your gaming PC, offering compatibility with PWM/DC fans and pumps, customizable options, and intuitive temperature monitoring for optimal operation with one click.

Multiple Profiles
Save up to 5 profiles for multiple occasions

Smart Fan & Manual Fan
- Smart Fan - Allow users to change the temperature curve with the 4 dots provided
- Manual Fan - Allow users to manually change the temperature at a set percentage

User Scenario
- Follow MSI Center Mode - Adjust fan settings according to the mode selected in User Scenario
- BIOS Mode - Adjust Fan settings in BIOS
- Customize by User - Customize fan settings by the users

FROZR AI COOLING

Frozr AI Cooling targets CPU and GPU temperatures. The AI system detects CPU and GPU temperatures and automatically adjusts the fan duty of system fans to ensure optimal performance.

AUTO DETECT FAN

MSI fan headers automatically detect fans running in DC or PWM mode for optimal tuning of fan speeds and silence. Hysteresis also makes your fans spin up fluently to make sure your system stays silent, no matter what.

HIGH-BANDWIDTH AND LOW-LATENCY NETWORK

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

- 5G LAN
- Wi-Fi 7
- EZ Antenna with Magnetic Stand

WIFI 7 SOLUTION

Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.

*Windows 11 compatibility only

AI LAN Manager

MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.

MSI AI LAN MANAGER
- Automatically prioritizes games above other applications
- Allows to change applications' traffic priority
- Allows to customize bandwidth for each application
- Analysis Wi-Fi signals to select the best source.

FAST AND FUTURE-READY STORAGE

MSI MAG series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.

LIGHTNING GEN 5 PCI-E WITH STEEL ARMOR II

LIGHTNING GEN 5 PCI-E
Doubling over the previous generation, the bandwidth of a x16 interface can reach 128GB/s.

SMT PCIE 5.0 SLOT
The advanced SMT(Surface Mount Technology) PCIE slot diminish interference and electrical noise, fully support the PCI-E 5.0 signal.

Steel Armor II
Compared to the previous generation, Steel Armor II's weight endurance has increased by 21%, ensuring excellent signal transmission quality.

PCIe supplemental power

The exclusive Supplemental PCIe Power connector provides dedicated power for the high-power demands of GPUs used in AI computing and gaming, ensuring stable, efficient, and sustained performance.

AUDIO BOOST 5

HIGH PERFORMANCE ALC4080 AUDIO PROCESSOR

HIGH QUALITY AUDIO CAPACITOR

HIGH QUALITY AUDIO JACKS WITH S/PDIF

DEDICATED HEADPHONE AMPLIFIER

ISOLATED AUDIO SIGNAL

DE-POP PROTECTION

The Isolated Analogy Structure for Audio Connectors

To provide clear voice, MSI develops a unique structure - Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp.

* The image above is an illustrative reference. Please refer to specification pages for more details.

MYSTIC LIGHT

Splash on some color and vibrant RGB lighting effects using Mystic Light utility of MSI Center, which has million colors and fancy LED effects. Enjoy the full control and creativity of your PC's lighting with one software.

- Wave
- Steady
- Flame
- Breathing
- CPU Temperature
- Color Ring
- Lightning
- Receration
- Meteor
- Default

SYNCHRONIZED

Add more color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.

A-RAINBOW V2
Supports 5V Addressable RGB devices. Compatible with ARGB Gen2 / Gen1 devices.
*Gen2 device only supports 7 RGB themes

RGB
Supports 12V RGB devices.

AMBIENT LINK
Synchronize lighting theme with compatible lighting devices.

CLICK BIOS X

MSI's newly designed CLICK BIOS X offers an aesthetically pleasing and user-friendly experience. The new design ensures that users of all experience levels can quickly access and adjust system configurations with ease.

BIOS KEY FEATURES

Game Boost
Easily boost your CPU performance with the press of a single button for instant overclocking.

AI Boost
Easily enhance your NPU performance with a click, unlocking the full potential of AI processing.

EXPO / A-XMP
Easily apply optimized memory overclocking profiles through a simple one-click activation.

Hardware Monitor
Instantly access real-time critical hardware information, including temperature, memory capacity, clock speed, and voltage.

M-Flash
Easily flash or update the BIOS in just a few minutes directly from the CMOS Setup Utility.

U-Key
Enables secure system access by requiring a specific USB drive for booting, adding an extra layer of security to your PC.

Profile
Save and switch between multiple custom system configurations, allowing for quick adjustments tailored to different tasks or performance needs.

Favorites
Bookmark frequently accessed settings, providing quick and easy access to essential configurations without the need to navigate through the entire menu.

Search
Quickly locate specific settings or options by typing keywords, streamlining navigation and making system adjustments more efficient.

MSI CENTER

MSI brand new MSI Center unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.

AI Engine
MSI AI Engine eliminates the need to tweak settings manually and saving you time and effort.

Mystic Light
Create your own colorful masterpiece with ease. Splash any color you want with just a few clicks!

True Color
Optimized monitor's brightness and color in several modes for different situation, you can also customize by yourself.

User Scenario
One click for setting your computer, even customize own profile as your preference.

Hardware Monitoring
Get immediate access to your critical hardware information in real-time.

AI LAN Manager
MSI AI LAN Manager prioritizes latency-sensitive apps, ensuring the best low-latency online gaming experience.

Cooling Wizard
Cooling Wizard is a comprehensive tool for managing fan settings across MSI products, offering one-click optimization

System Diagnosis
Restore and backup your MSI storage devices in one click to provide stable system usage, you can even monitor the storage status to prevent system crash or data missing.

AIDA64

MSI motherboards provide 60 days free trial of AIDA64 Extreme - MSI edition. AIDA64 Extreme is an almighty application for system information, diagnostics and benchmarks. With the application, you can monitor the detailed hardware and software information on PC and save it to file in multiple formats such as CSV and HTML.

NORTON 360

Multiple layers of protection for your devices, online privacy features including our Secure VPN, plus Dark Web Monitoring - all in a single solution. With MSI motherboards, you can enjoy a 60-day free trial of Norton 360 Deluxe.

- Up to 50 GB PC cloud backup
- Real time Threat protection and Smart Firewall
- Password manager
- PC SafeCam

*The MSI trial offer is not available for existing Norton customers. If you have an active Norton subscription, you will need to opt-out of the existing subscription to be eligible for this offer. For Important Subscription, Pricing and Offer Details, please refer to NortonLifeLock License and Services Agreement. NortonLifeLock Product and Service Privacy Notices.