MSI Pro B840M-B Motherboard

PRO B840M-B is engineered with many exclusive features of MSI, PCIe 4.0 M.2, EZ PCIe Clip II, 2.5G LAN, and Front Type-C, ready for the AMD Ryzen™ 9000 series processors.

Less steps, control easily

Direct 7+2+1

One-click overclocking

System Cooling

Frozr AI Cooling

2.5G LAN

Optimized UI / UX design

BUSINESS ELEGANCE

The PRO Series is tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users incredible experience. Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist you with multitasking and increasing efficiency.

BUSINESS ELEGANCE

2.5G Network Solution

Lightning Gen 4

DDR5 Support

EZ PCIe Clip II

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.

EZ DIY

ONE-FINGER

ONE HAND

ONE STEP

ONE GLANCE

ONE CLICK

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.

NORMAL DESIGN

EZ PCIe CLIP II

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

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.

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 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.

HEADER WITH DIFFERENT COLOR

To better differentiate between pin headers for different purposes, mark the pump sys header and ARGB headers in white, enabling users to manage cables more efficiently.

IDENTIFY M.2 SIGNAL SOURCE

IDENTIFY USB SPEED

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.

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.

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.

ULTRA PERFORMANCE

Power Solution

memory

PROTECTION

DIRECT 7+2+1 POWER DESIGN

Unleash and sustain the maximum performance with a VRM design built with a total of 7+2+1 digital power phases. With an 8-pin power connector, PRO B840M-B is ready for the challenge of heavy-loading tasks.

PHASES

Vcore POWERP-PAK

PHASES

SOCPOWER

PHASE

MISCPOWER

CPU Power

Core Boost

Digital 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.

6 PCB layers

2oz Thickened Copper

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, PRO B840M-B is ready to deliver the world-class memory performance.

EXPO / A-XMP SUPPORT

MEMORY BOOST

SMT PROCESS

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.

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

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.

Anti-corrosive Stainless Steel IO Shield

Corrosive resistance IO Shield to help improve static electricity and reduce electromagnetic radiation noise from the system as well as 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.

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.

FROZR DESIGN

COOLING

FROZR SYNC

FROZR CONTROL

Chipset Heatsink

The chipset 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 SYSTEM FAN

Supports auto-detect

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.

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.

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.

TRILINK

networking

storage

Expansion

HIGH-BANDWIDTH AND LOW-LATENCY NETWORK

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

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

FAST AND FUTURE-READY STORAGE

MSI PRO 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.

2x

64 Gbps

Lightning Gen 4 PCI-e with Steel Armor

LIGHTNING GEN 4 PCI-E

MSI lightning Gen 4 PCI-E represents the bandwidth of a x16 interface to 64GB/s that has doubled compared to its previous generation.

MSI STEEL ARMOR — REINFORCED, HEAVY SOLDERED CONNECTIONS

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.

MSI 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

audio

mystic light

BIOS

Software

audio boost

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.

MSI Isolated Analogy Structure for Audio Connectors

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

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.

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.

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.

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

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.

PRO B840M-B

Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors

Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)

Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper

EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II

Lightning Fast Game experience: PCIe 4.0 slot and Lightning Gen 4 x4 M.2

2.5G LAN: the remarkable solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission

Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience

More Information

Brand	MSI
Warranty	1 Year Manufacturer
Shipping	Same Day From Lahore

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