MSI MEG B550 UNIFY-X AMD AM4 SATA 6Gb/s ATX Gaming Motherboard

Master the Game
The MEG series seeks to transcend current gaming products, the flagship model designed to push the limits of what an extreme gaming series can be. Combining the strengths of our existing arsenal with new innovative technology; this results in significant improvements in operational and gaming efficiency. With the MEG series, take complete control of performance and personalization with the ultimate gaming series for enthusiasts who want it all.

6-Layer PCB Design
Multilayer printed circuit boards design optimized the efficient of power delivers, makes your system runs stable and cool.

PCIe Steel Armor
Protecting VGA cards against bending and EMI for better performance, stability and strength.

Direct 14+2 Power with 90A Power Stage
Highest quality components with direct digital power, 90A Power Stage and titanium choke III make sure your system runs smoothly under the most extreme conditions.

2oz Thickened Copper
2oz thickened copper PCB provides higher performance and long-lasting system stability without any compromise.

2.5G LAN
Onboard 2.5G LAN with LAN manager deliver the best online experience without lag.

Latest Wi-Fi 6 Solution
The latest wireless solution supports MU-MIMO and BSS color technology, delivering speeds up to 2400Mbps.

Dedicated for Extreme OC
The top-notch R&D design and exclusive 2 dimm solution deliver the world class memory performance, ready to break the world record!

Quadruple M.2 Connectors
Maximum onboard 4x M.2 slots, support the latest Gen 4 solution with up to 64GB/s bandwidth for maximum transfer speed.

Aluminum Cover with 7W/mK Thermal Pad
Fully aluminum IO cover and extended heatsink design provide the maximum surface of heat dissipation.

MOSFET Baseplate
These backplate cool down the MOSFET temperature with solid metal design.

Heat-pipe Design
Connecting two MOS heatsinks to enlarge the surface of heat dissipation.

Double Side M.2 Shield Frozr
Double side M.2 thermal solution keep M.2 SSDs safe while preventing throttling, making them run cooler and faster.

Premium Hardware Design
With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions.

Cooling

Aluminum Cover

Thermal Solution for More Cores and Higher Performance
With more cores' processors, thermal and power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink and enhanced circuit design ensures even high-end CPU to run in full speed with MSI motherboards.

Double Side M.2 Shield Frozr
World's fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, double side M.2 Shield Frozr is the next generation M.2 thermal solution to avoid this by offering the best thermal protection to make sure that SSD maintains maximum performance.

Fully Controllable In BIOS and Software
MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you to check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically

Pump Fan Ready

Optimized For Water Cooling
Designed to support the most popular All-In-One & customized water cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked 'keep-out-zone' allows for easy and safe installation and a perfect fit.

Power Solution

Structure

Direct 14+2 Power Phases Design
Unleash and sustain maximum performance with an aggressive VRM design built with a total of direct 14+2 digital power phases. Combining dual power connectors and exclusive Core Boot technology, MEG series motherboard is ready for the challenge of high-end processors.

Core Boost
Core Boost technology combines MSI's premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. This creates the perfect conditions for multi-core CPU while high-loading operation.

Game Boost

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

More for Performance

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.

Digital Power Design
A fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision. Creating the perfect conditions for CPU overclocking.

Supplemental PCIE Power Connector
The extra 6-pin PCI-E power connector provides dedicated power for PCI-E slots, augmenting the power provided by the 24-pin and the graphics card directly.

DIY Friendly

DIY Stands Set
Unify series motherboard are aim to extreme power users, to provide the best user experience, the exclusive DIY Stands Set allow you to build a PC platform with ease. The DIY Stands Set even support fan installation with different scenario.

Pre-Installed IO Shield
Featuring the pre-installed IO shield, makes your installation process easier and safer. The patent-pending design protect your IO ports and also prevent electrostatic discharge damage, makes your motherboard a strong gaming foundation.

Flash BIOS Button

Boot Up Guaranteed
Run into trouble when updating your BIOS or somehow corrupted it? Don't worry, MSI motherboards offer 2 easy to use options to successfully boot your system again.

Clear CMOS
Helps to restore the BIOS default settings which helps in 99% of the cases to successfully boot again.

Flash BIOS Button
Run into trouble? Simply flash BIOS version and continue gaming within minutes with Flash BIOS Button. (works even without hardware!)

Keep Out Zone
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean, preventing any component contact or damage to the motherboard.

Friendly Enhancements

XL Clip
The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.

EZ Debug LED
Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again.

Debug LED
Run into trouble? The digital LED display will display the startup sequence code so you know exactly where to look to get up and running again.

EZ LED Control
A built-in LED button on the motherboard to control your light effect. Turn on/off your light in a second!

Enhanced Performance
High performance MSI motherboards are loaded with advanced features and the latest technology to overwhelm any challenge at hand no matter whether you're a gamer, prosumer, or PC enthusiast.

Lightning GEN 4

GEN 4 PCI-E and M.2

Lightning GEN 4 M.2
Utilizing 3rd Gen Ryzen processors, MSI B550 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.

Storage Overview

Fast and Future-Ready Storage
MSI B550 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.

Optimized Storage Design
MEG B550 UNIFY series motherboard features exclusive onboard quadruple M.2 connectors for the maximum storage performance. The Industry leading design maximizes bandwidth to fully utilize high-end storage devices, provides multiple configurations for demanding gamers and power users.

BIOS & Software

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

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

Live Update:
Never miss out on important updates. MSI Live Update automatically downloads and installs the latest drivers, BIOS and software so you can focus on your work.

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

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

OC Setting:
Tune select motherboard settings in the OC Setting menu, where options to boost core performance and optimize system cooling are presented in an intuitive interface.

Total Fan Control:
Assume complete control of your fans with Total Fan Control. Set up to four CPU temperature targets and the motherboard will adjust fan speeds automatically.

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