The MSI MPG B550 Gaming Plus Motherboard is a motherboard designed for desktop computers, offering robust and versatile support for third-generation AMD processors with the AMD AM4 socket, allowing installation of Ryzen™ 3, 5, 7, and 9 CPUs. Its latest-generation AMD B550 chipset ensures compatibility and optimized performance for gaming and high-performance systems. Featuring an ATX form factor, this board provides ample space for components and efficient airflow management. It includes four DIMM slots for DDR4 SDRAM memory supporting up to 128 GB in dual-channel configuration, with memory frequencies from 1866 to 4400 MHz (OC), offering flexibility for advanced setups. It supports unbuffered memory and both ECC and non-ECC memory, adding options for users requiring greater stability. For storage, it offers six SATA III ports and two M.2 slots for SSDs, compatible with RAID 0, 1, and 10 configurations, enabling high transfer speeds and secure data management. For graphics, it supports multi-GPU setups with 2-Way CrossFireX technology and allows graphics adapters with up to 16 GB memory, supporting resolutions up to 4096×2160 pixels. External connectivity is complete, with USB 2.0, USB 3.2 Gen 1 and Gen 2 ports, including Type-A and Type-C, plus HDMI and DisplayPort outputs for various display options. Its audio system is powered by the Realtek ALC892 chip, offering 7.1-channel surround sound and optical S/PDIF output. Networking features include Gigabit Ethernet with the Realtek 8111H controller, ensuring stable and fast connections, though it lacks built-in WiFi. The board has nine mounting points and a solid structure measuring 305 mm wide, 244 mm deep, and 65 mm high, weighing approximately 1 kg. It includes CPU and chassis fan connectors, a 24-pin ATX power input, and RGB lighting connectors, enabling advanced system customization and efficient cooling. Its BIOS is UEFI AMI type, with a Clear CMOS function, simplifying hardware maintenance and configuration. The MSI MPG B550 Gaming Plus is a balanced solution for gaming and demanding PC setups, combining current technical features with good expansion capabilities.

• Chipset:
  • AMD® B550
  • AMD AM4
  • AMD B550
  • AMD
• Sound:
  • Realtek® ALC892
  • Realtek ALC892
• Connectivity:
  • Realtek RTL8111H 1Gb Ethernet
  • Gigabit Ethernet
  • Realtek 8111H
• Compatible:
  • AMD Ryzen ™ 3rd Generation (Matisse / Renoir)
  • DDR4-SDRAM
  • HDD/SSD
  • Sata III
  • PC
• Connections:
  • SATA 6 GB/s x 6
  • PS/2 x 1
  • 8-pin ATX 12V x 1
  • 24-pin ATX x 1
  • USB 2.0 x 8
  • S/PDIF x 1
  • USB 3.2 x 8
  • USB-A 3.2
  • Sata III
  • Ethernet LAN
  • HDMI
  • USB 2.0
  • S/PDIF
  • USB 3.2
  • HDMI x 1
  • 2 x USB 2.0
  • USB 2.0 x 4
  • SATA x 6
  • M.2 x 2
  • USB-C 3.2 x 1
  • DIMM
  • DisplayPort x 1
  • RJ45 x 1
• Approx. dimensions: 30.5 x 24.4 cm
• Resolution (px): 4096 x 2160 px
• Width: 30,5 cm
• Lighting: RGB LED
• Type:
  • Motherboard
  • Gaming
  • PCI Express 3.0
  • ATX
  • UEFI
• Socket:
  • Socket AM4
  • AMD AM4
• Memory: Dual
• Speed: 4400 MHz
• Characteristics: Optical digital output
• Memory Type: DDR4
• Processor: AMD
• Form factor: ATX
• Interface: Gigabit Ethernet
• Number of memory slots: 4
• Speakers: 7.1
• Not included: WiFi
• Technology: 2-Way CrossFireX
• Includes: SATA
• Internal Memory: 128 GB
• RAM Memory: 128 GB RAM
• Processor Family: AMD

GAME IN STYLEThe MPG series brings out the best in gamers by allowing full expression in color 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 center of attention and top leaderboards in style.PREMIUM HARDWARE DESIGNWith 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 PERFORMANCEWith 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.M.2 SHIELD FROZRWorld’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.FULLY CONTROLLABLE IN BIOS AND SOFTWAREMSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you 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 COOLINGDesigned 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.10 + 2 + 1 DIGITAL POWER WITH DOUBLER DESIGNUnleash and sustain maximum performance with an aggressive VRM design built with a total of 10 phases Digital Power with Doubler Design. Combining exclusive Core Boost technology, MPG series motherboard is ready to sustain heavy daily work.CORE BOOSTCore 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.LOAD-LINE CALIBRATIONWhat 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 PROTECTIONPrevents potential short-circuit damage to the CPU and other critical components.DIGITALL POWER DESIGNA 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.PRE-INSTALLED IO SHIELDINGFeaturing the pre-installed IO shielding, 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.XL CLIPThe enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.EZ DEBUG LEDRun 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.EZ LED CONTROLA built-in LED button on the motherboard to control your light effect. Turn on/off your light in a second!PCB WITH 2OZ THICKENED COPPERAn 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 ARMORMSI 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 PROTECTIONDouble ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.CERTIFIED FOR GAMINGMSI motherboards has 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.ENHANCED PERFORMANCEHigh 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 M.2Utilizing 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.FAST AND FUTURE-READY STORAGEMSI 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 TESTINGMSI 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 PERFORMANCEMSI OC LAB does not merely work hard on extreme overclocking. Compared to B450 motherboard memory A-XMP profile, MSI does have great improvement on 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 PROFILEThe A-XMP in MSI BIOS are tested and certified by MSI OC LAB. It is easy to enable with auto power settings to get the best memory speed and stability.DRAGON CENTERMSI 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 5Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!GAME BOOSTQuickly overclock your CPU with a single button for more performance.A-XMPChoose from a preset A-XMP profile and automatically overclock compatible DDR memory.M-FLASHConveniently flash or upgrade the BIOS in a few minutes from the CMOS Setup Utility.HARDWARE MONITORGet immediate access to your critical hardware information in real-time including temperature, memory capacity, clock speed, and voltage.MEMORY TRY ITGet extreme speed out of your system memory and get more performance.SEARCH & FAVORITESA permanent search & favorite option in the top right corner moves you through the BIOS menus quickly.MSI APP PLAYERDeveloped 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.CONNECTIVITYMSI motherboards are built with a variety of connectors to satisfy gamers. Enhanced audio, advanced LAN networking capabilities, USB and Mystic Light turn any gaming experience into an immerse one.DEDICATED HIGH DEFINITION AUDIO PROCESSORMake sure you enjoy the purest sound quality in both stereo and surround sound.HIGH QUALITY AUDIO CAPACITORSA high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.HIGH QUALITY AUDIO JACKS WITH S/PDIFKeep your sound perfect by transmit your audio with pure digital signal.ISOLATED AUDIO DESIGNLike a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.SEPARATED AUDIO LAYERS FOR CLEAN LEFT & RIGHT CHANNELSUsing separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.Audio Boost protects your ears by eliminating those annoying loud popping sounds when you plug/unplug devices or turn your PC on/off.BOOST YOUR GAME EXPERIENCE WITH USB 3.2 GEN 2Read and write your files over USB faster than ever. MSI MPG series motherboards offer a wide variety of options to connect and boost your USB devices, delivering 10Gbps transferring speed by both USB 3.2 Gen 2 Type-A and Type-C.USB FRONT TYPE-CMSI gaming 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.TRUE COLOR MYSTIC LIGHT ON MOTHERBOARDSplash on some color and vibrant RGB lighting effects using MSI Mystic Light with 16.8 million colors and 29 LED effects.Mystic Light ExtensionStill not satisfied with the decoration on the ecosystem? The Mystic Light Extension will help you to have more attractive way to decorate you gaming rig by the LED Strips and still under controlled by the Mystic Light application.

• Processor manufacturer: AMD
• Processor socket: Socket AM4
• Compatible processor series: AMD Ryzen 3 3rd Gen, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen 7, 3rd Generation AMD Ryzen 9
• Maximum number of SMP processors: 1
• Supported memory types: DDR4-SDRAM
• Number of memory slots: 4
• Maximum internal memory: 128 GB
• Memory slots type: DIMM
• Memory channels: Dual-channel
• ECC: Y
• Non-ECC: Y
• Supported memory clock speeds: 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz
• Unbuffered memory: Y
• Supported storage drive interfaces: SATA III
• Supported storage drive types: HDD & SSD
• RAID levels: 0,1,10
• Parallel processing technology support: 2-Way CrossFireX
• Maximum graphics adapter memory: 16000 MB
• Maximum resolution: 4096 x 2160 pixels
• USB 2.0 connectors: 2
• USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
• Number of SATA III connectors: 6
• Front panel audio connector: Y
• ATX Power connector (24-pin): Y
• CPU fan connector: Y
• Number of chassis fan connectors: 6
• Chassis intrusion connector: Y
• TPM connector: Y
• 12V power connector: Y
• RGB LED pin header: Y
• USB 2.0 ports quantity: 4
• USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
• USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 1
• USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
• Ethernet LAN (RJ-45) ports: 1
• HDMI ports quantity: 1
• PS/2 ports quantity: 1
• DisplayPorts quantity: 1
• S/PDIF out port: Y
• Digital audio optical out: 1
• Wi-Fi: N
• Ethernet LAN: Y
• Ethernet interface type: Gigabit Ethernet
• LAN controller: Realtek 8111H
• Component for: PC
• Motherboard form factor: ATX
• Motherboard chipset family: AMD
• Motherboard chipset: AMD B550
• Audio output channels: 7.1 channels
• Audio chip: Realtek ALC892
• PC health monitoring: CPU, Fan, Temperature
• Number of mounting holes: 9
• PCI Express x1 (Gen 3.x) slots: 2
• PCI Express x16 (Gen 3.x) slots: 1
• PCI Express x16 (Gen 4.x) slots: 1
• Number of M.2 (M) slots: 2
• BIOS type: UEFI AMI
• Clear CMOS jumper: Y
• Width: 305 mm
• Depth: 244 mm
• Cables included: SATA
• Drivers included: Y