B840M GAMING PLUS WIFI6E

The B840M GAMING PLUS WIFI6E is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring Wi-Fi 6E, 2.5G LAN, PCIe 4.0 solution and exclusive EZ DIY features, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 9000 series processors.

icon B840
B840M GAMING PLUS WIFI6E
icon ez diy

Less steps, control easily

icon ultra power

7+2+1 Phase Direct CPU Power

icon frozr design

Extended Heatsink Design

icon connect

2.5G LAN & Wi-Fi 6E

icon ez oc

One-Click overclock

icon click bios x

Optimized UI / UX design

Ready for AI PC

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

AI Engine

provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.

AI LAN MANAGER

optimizes networking performance and minimizes latency, providing a seamless online experience.

Frozr AI Cooling

automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.

AI Boost

is an MSI exclusive feature. It overclocks NPU to improve higher AI performance.

PERFORMANCE & THERMAL
CONNECTIVITY
EZ DIY

OPTIMAL EFFICIENCY

Pre-installed I/O Shield

Extended Heatsink

Double-sided M.2 Shield Frozr

M.2 Shield Frozr

Heatsink with 7W/mK Thermal Pad icon

Heatsink with
7W/mK Thermal Pad

6-Layer Server Grade PCB

6-Layer 2oz Copper PCB

HIGH-SPEED TRANSMISSION

HDMI 2.1 icon

HDMI™ 2.1

2.5G LAN

2.5G LAN

Wifi 6E icon

Wi-Fi 6E

Latest DDR5 Memory

Latest DDR5 Memory

Lightning Gen 4 PCIe Slot

Lightning Gen 4 PCIe

Dual PCIe 4.0 M.2 Connectors

M.2 Connectors

EFFORTLESS ASSEMBLY

Pre-installed I/O Shield

Pre-installed I/O Shield

Steel Armor icon

Steel Armor

EZ Debug LED icon

EZ Debug LED

EZ PCIe Clip II

EZ PCIe Clip II

EZ DIY

EZ DIY
  • ONE-FINGER
  • ONE HAND
  • ONE STEP
  • ONE GLANCE
  • ONE CLICK
  • EZ M.2 INSTALLATION
  • EZ GPU INSTALLATION
  • EZ BUTTON
EZ M.2 CLIP II
EZ M.2 CLIP II REMOVER

MSI’s exclusive EZ M.2 CLIP II makes 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

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 M.2 CLIP II REMOVER

One Finger for EZ GPU Installation

The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger. Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.

One Finger for EZ GPU Installation
NORMAL DESIGN
NORMAL DESIGN
EZ PCIe CLIP II
EZ PCIe CLIP II

MORE FOR DIY FRIENDLY

Flash BIOS Button
Clear CMOS Button
Flash BIOS Button
Flash the BIOS with only a connected power supply by following a few steps.
CPU and memory not required. Leam more
Clear CMOS Button
Restore the BIOS to the default settings – helpful in 99% of the cases to successfully boot again.
  • EZ Mounting

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.

Avoid Collision Notification

Keep Out Zone

Double ESD Protection

  • EZ Antenna
  • EZ Conn-Design
  • DRIVER UTILITY INSTALLER

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

EZ Antenna

EZ Conn-Design (JAF_1)

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.

Additional FAN & ARGB Header
Additional ARGB Header
Additional ARGB header
Additional FAN Header
Additional FAN header
mpg f120 argb

MSI 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.

MSI DRIVER UTILITY INSTALLER (DUI)
  • EZ DEBUG
EZ DEBUG LED

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 DIGI-DEBUG LED

EZ Memory Detection LED

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

  • EZ OVERCLOCKING
  • EZ Optimization

EZ Ooverclocking

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.

  • npu

    AI BOOST

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

  • memory

    EXPO / A-XMP

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

MSI  OVERCLICKING

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.

EZ Optimization

ULTRA PERFORMANCE

ULTRA PERFORMANCE
  • Power Solution
  • memory
  • PROTECTION
  • MORE FOR PERFORMANCE

MORE FOR PERFORMANCE

1-SECOND OVERCLOCKING!
LOAD-LINE CALIBRATION
OVERVOLTAGE PROTECTION
Clear CMOS
MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.
Flash BIOS Button
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.
Dual BIOS
Prevents potential short-circuit damage to the CPU and other critical components.
  • HIGH-EFFICIENCY MODE
  • Latency Killer

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.

High-Efficiency Mode Plus

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

AMD 800 Gaming Latency Killer
MSI AMD 800 Latency Killer

*Supports BIOS versions after AGESA 1.2.0.2b.

  • TVS
  • SOLID PIN DESIGN
  • STAINLESS STEEL IO
  • OCP Protection
  • GROUNDING STRUCTURE

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.

Transient Voltage Suppressors

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

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

Anti-corrosive Stainless Steel IO Shield

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.

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icon
Stainless Steel IO

* 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.

MSI CPU and PWN IC
CPU / PWM IC
MSI DDR Memory Slots
DDR memory Slots
MSI Rear and Front USB ports
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.

Z790 Grounding Board

FROZR DESIGN

FROZR DESIGN
  • FROZR GUARD
  • FROZR SYNC
  • FROZR CONTROL
  • COMBO FAN

Combo Fan Header

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

Combo Fan Header
Sys Fan
Pump Fan
  • COOLING WIZARD
  • FROZR AI COOLING
  • AUTO DETECT FAN

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
SMART FAN & MANUAL FAN
USER SCENARIO
Multiple Profiles

Multiple Profiles

  • Save up to 5 profiles for multiple occasions

Smart Fan & Manual Fan

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

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 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.

Frozr AI Cooling

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.

msi auto detect your fan
TRILINK
  • networking
  • storage
  • Expansion
  • AI Lan Manager

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 Motherboard AI Lan Manager

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.
  • FRONT USB TYPE-C

USB FRONT TYPE-C

MSI Gaming motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.

Experience

Experience
  • audio
  • mystic light
  • BIOS
  • Software
  • Audio Boost
  • Isolated Analogy Structure

audio boost

  • HIGH DEFINITION AUDIO PROCESSOR
  • HIGH QUALITY AUDIO CAPACITORS
  • HIGH QUALITY AUDIO JACKS
  • ISOLATED AUDIO SIGNAL
  • DE-POP PROTECTION
Msi x870 Audio Boost with AMP
Msi x870 high quality audio capacitors
Msi x870 audio high quality audio jacks
Msi x870 audio isolated audio signal
Msi x870 Audio Boost DE-POP

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.

 isolated on
MSI Isolated Analogy Structure for Audio Connectors

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

  • Mystic Light
  • Synchronized

GLOW YOUR PC

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

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
  • RGB
  • AMBIENT LINK
Msi X670 motherboard with a-rainbow v2
Supports 5V Addressable RGB devices. Compatible with ARGB Gen2 / Gen1 devices.
*Gen2 device only supports 7 RGB themes
Msi X670 RGB
Supports 12V RGB devices.
Msi x670 rgbsync ambient device image
Synchronize lighting theme with compatible lighting devices.
  • Click BIOS X
  • BIOS KEY FEATURES

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.

EZ MODE
Advanced Mode
EZ MODE
Advanced ModeP
AI Boost
EXPO / A-XMP
Hardware Monitor
M-Flash
U-Key
Profile
Favorites
Search
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
  • AIDA64
  • NORTON 360

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
Mystic Light
True Color
User Scenario
Hardware Monitoring
AI LAN Manager
Cooling Wizard
System Diagnosis
MSI 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.

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.

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
Norton 360

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.

B840M GAMING PLUS WIFI6E

  • Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  • Ultra Performance: 7+2+1 Phase Direct CPU Power, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB with 2oz thickened copper
  • Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)
  • Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and M.2 Shield Frozr II are built for high performance system and non-stop experience
  • Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C
  • High-speed Connectivity: Wi-Fi 6E with 2.5G LAN - The latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
  • EZ DIY: EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
  • Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience
© AMD, and the AMD Arrow logo, Ryzen, Radeon, FreeSync, and combinations thereof are trademarks of Advanced Micro Devices, Inc. DirectX and Microsoft are registered trademarks of Microsoft Corporation in the US and other jurisdictions. PCI Express is a registered trademark of PCI-SIG Corporation. Vulkan and the Vulkan logo are trademarks of the Khronos Group Inc. Other product names are for identification purposes only and may be trademarks of their respective companies.
The terms HDMI™, HDMI™ High-Definition Multimedia Interface, HDMI™ Trade dress and the HDMI™ Logos are trademarks or registered trademarks of HDMI™ Licensing Administrator, Inc.
MSI, MSI gaming, dragon, and dragon shield names and logos, as well as any other MSI service or product names or logos displayed on the MSI website, are registered trademarks or trademarks of MSI. The names and logos of third party products and companies shown on our website and used in the materials are the property of their respective owners and may also be trademarks. MSI trademarks and copyrighted materials may be used only with written permission from MSI. Any rights not expressly granted herein are reserved.
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All images and descriptions are for illustrative purposes only. Visual representation of the products may not be perfectly accurate. Product specification, functions and appearance may vary by models and differ from country to country . All specifications are subject to change without notice. Please consult the product specifications page for full details.Although we endeavor to present the most precise and comprehensive information at the time of publication, a small number of items may contain typography or photography errors. Products may not be available in all markets. We recommend you to check with your local supplier for exact offers.