Game in Style Introducing the all new MPG B550 Gaming PLUS Motherboard from MSI. Express yourself with the latest addition to the MPG series of motherboards. The MPG B550 Gaming PLUS supports 3rd Gen AMD Ryzen Processors and with the addition of PCIe 4.0 technology you can expect a lightning fast gaming experience plus with Wi-Fi 6 you have access to next generation networking which is up to 3x faster than it predecessor. Experiment on another level of personalization with a front LED strip that provides convenient in-game and real time notifications and with MSI Mystic Light gain access to 16.8 million colours and 29 different LED effects, transform your equipment to be the center of attention and top competetitive leaderboards in style.
AMD B550 Chipset
AM4 CPU Socket
ATX Form Factor
Special Features of the B550 Gaming PLUS
Technology Combining 8 4 pin power connectors and premium layout design, that is ready for unleashing the maximum performance.
PWM Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.
Copper PCB An enhanced PCB design improves heat dissipation and performance reliability
Steel Armor Protecting VGA cards against bending and EMI for better performance, stability and strength.
Unprecedented Thermal Dominance
Thermal Pad 7W/mK thermal pad improves heat transfer to the heatsink.
Shield Frozr The Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
Support Control watercooling pump speeds for better flow and noise control.
Enlarged Chipset Heatsink Larger heatsink for chipset ensures better heat dissipation and cooling effects.
Next Generation Connectivity with MSI
Turbo USB Featuring the TURBO USB 3.2 Gen 2, 10Gbps with reversible Type-C connector.
Flash BIOS Button Simply use a USB to flash any BIOS within seconds, without installing CPU, memory and graphics card.
DDR4 Boost The Fully isolated DIMM slots to 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.
Upgraded and Robust Power Design
10 2 1 DUET RAIL POWER SYSTEM The MSI MPG B550 Gaming PLUS is back with an updated and aggressive VRM design that will allow your 3rd generation AMD Ryzen processor to reach and sustain maximum performance, built with a 10 Duet Rail Power System and combining this with MSI exclusive core boost technology means the MPG series motherboards are ready to sustain heavy daily loads.
10 Duet Rail CPU Power System
2 Phase SOC Power
1 Phase APU Power
Digtal PWM IC
Protect your Sensitive Components During Installation and Beyond
Extended Heatsink and Pre-installed IO ShieldThe MSI MPG Gaming PLUS features a pre-installed I/O shield to make installing your motherboard simpler and safer and also protects your I/O ports from electrostatic discharge damage and with an all-metal extended heatsink with additional 7W/mk thermal pads to enlarge the surface area you can also expect more efficient heat dissipation allowing your 3rd generation AMD Ryzen CPU to perform as it should.
Experience Core Boost
faster and undistorted current deliveryCore Boost technology combines MSI’s premium layout and full digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU. MSI B550 motherboards are optimized to maximise the performance on the 3rd Generation AMD Ryzen processors. Choose MSI and unleash the full potential of your system through optimized PCB and power delivery design with load line calibration.
Give yourself a Lightning Fast Experience
LIGHTNING GEN 4 PCI-E MSI lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of unidirectional transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimised by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise.
Unmatched Memory Performance
Advanced performance with DDR4 BOOST MSI motherboards are crammed with features to fuel your system’s memory with more speed, higher overclockability and increased stability. The technical enhancements of DDR4 Boost allow for more stability at higher memory speeds compared to other brands. Enjoy the additional boost in operational performance or when working with large video and photography files. MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what.
Protecting your PCIe Slots
FORTIFY YOUR SYSTEM WITH PCI-E STEEL ARMOR MPG B550 GAMING PLUS supports multiple GPU solution. Optimal PCI-Express slot placement allows for better fitting and airflow. That way, you can enjoy the best graphics at the highest framerate jumping from your screen when running an AMD® CrossFire™ setup Steel Armor has more solder points on the PCB for more strength and protects the PCI-Express signals against electromagnetic interference for a stutter-free user experience.
Connections at your Fingertips
Overclock Your System in One Second!
MSI Game Boost Need more power from your CPU and memory to get more FPS? MSI Game Boost enables one-second overclocking, giving you the performance boost you need. Simply turn the dial or use the Gaming App and your PC gets another adrenalin shot!
Professional Gaming Audio
Amplify your game with Audio Boost MSI Audio Boost delivers the highest sound quality through the use of premium quality audio components. This lets you enjoy breathtaking, game-changing sound to create the most dynamic soundscapes dedicated to giving gamers true Hi-Fi sound offering a clear advantage over your opponents when gaming. Audio Boost offers a HD audio processor, dedicated amplifier and high quality audio capacitors, all physically isolated from the rest of the motherboard circuitry to ensure the purest audio signal to locate enemies with pin-point accuracy.
CPU Socket Socket AM4
CPU Brand AMD
Installed Processors (Max) 0 (1)
Supported Processor Manufacturer AMD
Supported Processors 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
64-bit Support Yes
Rear Panel I/O Ports
USB Ports 1 x USB 3.1 Type-C1 x USB 3.1 Type-A2 x USB 3.04 x USB 2.0
DisplayPorts 1 x DisplayPort
HDMI Port 1 x HDMI
Keyboard/Mouse Combo Port 1 x PS/2
RJ-45 Ports 1 x RJ-45
Audio Line In Ports 1 x 3.5mm Jack
Audio Line Out Ports 3 x 3.5mm Jacks
Microphone In Port 1 x 3.5mm Jack
S/PDIF Port 1 x S/PDIF Optical Out
Internal I/O Connectors
SATA Connectors 6 x SATA III
USB Connectors 1 x USB 3.0 Type-C header1 x USB 3.0 header (supports 2 ports)2 x USB 2.0 headers (supports 4 ports)
Front Panel Connectors 1 x Front Panel1 x Front Audio
Cooling Fan Support 1 x CPU fan header1 x Water Pump fan header6 x System fan headers
Chassis Intrusion Connector 1 x Chassis Intrusion header
TPM Header 1 x TPM header
Power Connector Port 1 x 20 4-pin ATX1 x 4 4-pin EPS
Other Connectors 1 x M.2, Socket 3, M Key (Type 2242/2260/2280/22110)1 x M.2, Socket 3, M Key (Type 2242/2260/2280)1 x RGB LED header2 x Addressable LED headers
Memory Bus Speed 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733 / 3866/ 4000/ 4133/ 4266/ 4400 MHz
Memory Type DDR4
Maximum RAM 128 GB
Memory Slot 4 x DIMM
Chipset Manufacturer AMD
RAID Supported Yes
RAID Format RAID 0, 1, 10
SATA Supported Yes
Number of PCI Express Slots 1 x PCI Express 4.0 x161 x PCI Express 3.0 x16 (@ x4)2 x PCI Express 3.0 x1
Integrated Graphics Supported Yes
Integrated Sound Raltek ALC892
Warranty 3 Years
Integrated Network Realtek 8111H
Network Speeds Supported 10/100/1000 Mbps
Wireless LAN No
Operating Systems Supported Microsoft Windows 10 64-bit
Jumpers 1 x Clear CMOS
Software Included (may be trial or restricted) Yes
SLi/Crossfire Features Supports 2-Way AMD CrossFire Technology
Form Factor ATX Motherboard
In The Box MPG B550 GAMING PLUS MotherboardUser ManualQuick Installation GuideMSI Case BadgeProduct Registration CardMSI Product CatalogCase Screw Guide2 x SATA CablesPromotion CardDriver DVD
Width 305 mm
Length 244 mm
Memory Speed 4400 MHz
RGB Header Type 3-Pin ARGB
Addressable RGB Yes
Internal USB Type-C Header Yes
Wireless Network No
Memory Channel Dual
On-board Audio Type 7.1
Number of SATA Ports 6 port(s)
Number of USB Ports 8 port(s)
SATA III Support Yes
USB 3.0 Support Yes
Multi GPU Support ATi CrossFire
VGA Connection No
DVI Connection No
HDMI Connection Yes
DisplayPort Connection Yes
Motherboard Form Factor ATX
Motherboard Power Connectors 4 4-Pin
Motherboard Chipset AMD B550
Motherboard Model MSI MPG B550 GAMING PLUS
USB 3.1 Support Yes
Internal USB3.0 Header Yes
M.2 Support Yes
On-board RGB Control MSI Mystic Sync