MSI B550 Gaming Plus AMD Motherboard


MSI B550 Gaming Plus AMD Motherboard

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MSI B550 Gaming Plus AMD Motherboard

Game in Style

The MPG series brings out the best in gamers by allowing full expression in colour with advanced RGB lighting control and synchronization. Experiment on another level of personalization with a front LED strip that provides convenient in-game and real-time notifications. With the MPG series, transform your equipment into the centre of attention and top leaderboards in style.

MPG-Game In Style


Exclusive Feature


Core Boost Technology

Premium layout design with MSI exclusive Core Boost technology is ready for unleashing the maximum performance.

PCB with 2oz Thickened Copper

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

Digital PWM

The highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.

PCIe Steel Armor

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

High-Speed Transmission


Flash BIOS Button

Simply use a USB to flash any BIOS within seconds, without installing CPU, memory and graphics card.

Turbo USB

Featuring the TURBO USB 3.2 GEN 2 10Gbps, with a reversible Type-C connector.

DDR4 Boost

The fully isolated DDR circuit deliver pure data signals for the best gaming and overclocking performance.

Lightning Gen 4 Solution

The latest Gen 4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed

Premium Thermal Solution


Extended Heatsink

MSI extended PWM and enhanced circuit design ensures even high-end processors run at full speed.

M.2 Shield Frozr

Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.

Pump Fan Support

Control water cooling pump speeds for best flow and noise control.

Heatsinks with 7W/mK Thermal & Choke Pad

7W/mK thermal pad provides better heat transfer to the heatsink

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.



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 at full speed with MSI motherboards.


M.2 Shield Frozr
The world’s fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, 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.

With MSI M.2 Shield FROZR


  • – Prevents throttling
  • – Maximizes drive performance
  • – Higher maximum SSD speeds

Normal M.2 SSD

*performance vary by model configuration

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.


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

10 + 2 + 1 Digital Power with Doubler Design
Unleash and sustain maximum performance with an aggressive VRM design built with a total of 10 phases of Digital Power with Doubler Design. Combining exclusive Core Boost technology, the MPG series motherboard is ready to sustain heavy daily work.
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.
1-Second Overclocking!
MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

DIY Friendly

Pre-Installed IO Shielding
Featuring the pre-installed IO shielding makes your installation process easier and safer. The patent-pending design protects your IO ports and also prevent electrostatic discharge damage, makes your motherboard a strong gaming foundation.
Easy BIOS Recovery with Flash BIOS Button
Run into trouble when updating your BIOS? Simply flash the old BIOS version back and continue gaming within minutes with Flash BIOS Button. Flash BIOS Button even works without a CPU, memory or graphics card installed!


PCB with 2OZ Thickened Copper
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
Fortify Your System with PCI-E Steel Armor
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.
Ultimate Motherboard Protection
Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.
Certified for Gaming
MSI motherboards have been built and tweaked for hardcore gaming. Feedback from the world’s best esports players and rigorous testing sessions with demanding PC games has resulted in a motherboard that’s both powerful and reliable.
Windows 10 Certified
With MSI you benefit from great compatibility and a worry-free user experience when using Microsoft Windows 10. With a true dedication to performance, our R&D team has made sure everything works as intended when using the latest version of Microsoft Windows on any MSI product.

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.

Lighting GEN 4

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

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.


Extreme Stability & Compatibility Testing
MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules, configurations and even improve overclocking.
A Huge Step of DDR Performance

MSI OC LAB does not merely work hard on extreme overclocking. Compared to the B450 motherboard memory A-XMP profile, MSI does have great improvement in performance and efficiency for B550 motherboards. Easy to enable A-XMP profile with auto power settings to get the best memory speed and stability.
Easy Overclocking with A-XMP Profile
The A-XMP in MSI BIOS is tested and certified by MSI OC LAB. It is easy to enable auto power settings to get the best memory speed and stability.

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.

Click BIOS 5

Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!
MSI App Player
Developed under an exclusive partnership with BlueStacks, the MSI APP Player brings seamless gaming experience between mobile games and PC platform and leverages customized features as specific keyboard lighting and better graphics with multi-task works.
Resizable Bar (Re-Size Bar)
Resizable BAR (Re-Size BAR) is an advanced PCI Express feature that enables the CPU to access the entire GPU frame buffer at once and improve performance.


CPU (Max Support) RYZEN 9
Socket AM4
Chipset AMD B550 Chipset
DDR4 Memory Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
Memory Channel Dual
DIMM Slots 4
Max Memory (GB) 128
PCI-E X16 2
PCI-E X1 2
M.2 Slot 2
Raid 0/1/10
TPM (Header) 1
LAN 1x Realtek® 8111H Gigabit LAN controller
USB 3.2 Ports (Front) 1(Gen 1, Type C), 2(Gen 1, Type A)
USB 3.2 Ports (Rear) 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A)
USB 2.0 Ports (Front) 4
USB 2.0 Ports (Rear) 4
Audio Ports (Rear) Realtek® ALC892/ALC897 Codec
Displayport 1
Form Factor ATX
Crossfire Y
Operating System Support for Windows® 10 64-bit

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