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The MPG series is ideal for gamers, enabling full color expression with advanced RGB lighting control and synchronization. It features the AMD B550 chipset, supporting second and third generation AMD Ryzen processors with Socket AM4. It has four dual channel DDR4 memory slots up to 128GB, which can be overclocked up to 4400 MHz.

It is compatible with the latest technologies such as PCIe 4.0 and USB 3.2 Gen 2. It also has rich gaming features such as Audio Boost 4, Gaming LAN and Gaming I/O Shielding to provide users with a smooth gaming experience. Finally, the MSI MPG B550 Gaming Plus also offers easy installation and maintenance with its simple design.





Supports AMD Ryzen 5000 & 3000 Series processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series processors
Supports DDR4 memory, up to 4400(OC) MHz
Lightning-fast gaming experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
Enhanced Power Design: Core Boost, PWM digital integrated circuit, 2oz thick copper PCB board, DDR4 Boost
High quality thermal solution: Extended Heatsink Design and M.2 Shield Frozr is built for high performance system and non-stop gaming experience
Pre-installed I/O shielding: Better EMI protection and easier installation
Flash BIOS button with optimized ClearCMOS function: Just use a USB to flash any BIOS in seconds. Reset BIOS to default settings without additional actions.
Sound Enhancement: Reward your ears with studio-level sound quality
Cooling
Extended Heatsink , enables the latest processors to operate at maximum speed
M.2 Shield Frozr , enhanced cooling system for SSD drive, keeps it safe and lets it run faster
Pump Fan Support , water cooling control for better cooling performance and noise
Heatsinks with 7W/mk Thermal & Choke Pad , offer better heat transfer from the heatsink

Features
Core Boost , fully digital power design to support more cores providing better performance
Reinforced copper board , offers better performance and long-term operation
Digital PWM , high quality hardware that allows the system to work smoothly even in difficult conditions
PCIe Steel Armor , protection of VGA cards from possible bending as well as from electromagnetic interference

Speed
Flash BIOS Button , allows BIOS to be "flashed" without the need to install a processor, memory and graphics card.
Turbo USB , USB 3.2 gen 2 for speeds up to 10 Gbps with Type C connector
DDR4 Boost , advanced technology to provide clear data signals benefiting the best performance and game stability
Lightning Gen 4 Solution , the latest fourth generation PCI-E and M.2 connector with speeds up to 64GB/s

Extended heatsink
With more processor cores, heat and power dissipation design is more important to ensure the temperature is kept lower. MSI's extended PWM heatsink and improved circuit design ensure that even high-end CPUs will run at full speed with MSI motherboards.


M.2 Shield Frozr
Faster SSDs can start to degrade performance when they heat up. M.2 Shield Frozr is the next generation M.2 thermal solution to prevent this, offering the best thermal protection to ensure the SSD maintains maximum performance.


Fan control
MSI motherboards allow you to manage the speeds and temperatures of all system and processor fans. Total Fan Control allows you to control the main features of your system in a simplified graphical interface. You can also set up to 4 temperature targets for the CPU and motherboard, which will automatically adjust fan speeds.


Lightning Gen 4
Lightning Gen 4 M.2 Using 3rd Gen Ryzen processors, MSI B550 motherboards feature the latest Lightning Gen 4 M.2 which is the fastest integrated storage solution on the market with a transfer speed of up to 64 Gb/s.
Lightning Gen 4 M.2 PCIe, the latest and fastest PCIe data transfer solution with 64GB/s one-way transfer bandwidth that is doubled compared to the previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized with a steel shield and PCB design, you can enjoy next-generation devices without compromise.

Save
MSI B550 motherboards support all the latest storage standards, which allow users to connect any fast storage device.


Sound
High-quality sound processor that ensures that you will enjoy the purest sound quality in both stereo and surround sound.
High-quality capacitors that ensure a high-fidelity audio experience with excellent acoustics and realism for studio-grade headphones.
High-quality audio and S/PDIF connectors that transmit sound with a clear digital signal.

USB 3.2 GEN 2
Read and transfer your files via USB faster than ever. MSI MPG series motherboards offer a wide variety of options for connecting and boosting your USB devices, providing 10 Gbps transfer speed from both USB 3.2 Gen 2 Type-A and Type-C.


MSI CENTER
MSI Center consolidates a suite of MSI software utilities into a single central application. Take control of the motherboard's advanced features and unleash endless possibilities.

True Color
Live Update
User Scenario
Hardware Monitor
OC Setting
Total Fan Control
Mystic Light
Product Registration


Manufacturer
MSI

Characteristics
Generally
SizeATX
TypeDesktop
Processor
Supported ProcessorsAMD
ModelsRyzen
Supported GenerationZen 2, Zen 3
SocketAM4
Chipset
ModelAMD B550
Memory
Memory typeDDR4
Host4 DIMM Slots
Memory Speeds1866, 2133, 2400, 2667, 2667OC, 2800, 2800OC, 2933, 2933OC, 3000, 3000OC, 3066OC, 3200, 3200OC, 3466OC, 3600OC, 3733OC, 3866OC, 4000OC , 4133OC, 4400OC
Memory FunctionDual Channel
Internal Links
PCI Express x16 3.01 Slot
PCI Express x16 4.01 Slot
SATA III 6Gb/s crowd6 Ports
Number of M.2 Slots2
Type M.21 PCIe 3.0 port, 1 PCIe 4.0 port
External Links
Rear USB-A outputs3 USB 3.2 ports, 4 USB 2.0 ports
Back USB-C outputs1 USB 3.2 port
Ethernet (LAN)1
Screen ConnectionsDisplayPort, HDMI
Features
RGB LightingYes
Wi-Fi/BluetoothNo
ExtraBios Flashback, RGB Header
Sound
Sound Card Channels7.1
Additional Audio ConnectionsOptical S/PDIF