The MSI MEG B550 Unify Motherboard supports 3rd Gen AMD Ryzen AM4 processors, features up to 4 x DDR4 memory slots, PCI-E 4.0 expansion slots, 4 x M.2 slots, 6 x SATA ports (6GB/s), 8 x rear USB ports (4 x USB 2.0, 3 x USB 3.2 Gen 2 Type-A, 1 x USB 3.2 Gen 2 Type-C), 7 x front panel header USB ports (4 x USB 2.0, 2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 2 Type-C), 1 x HDMI, Realtek 8125B-CG 2.5G LAN, Intel Wi-Fi 6 AX200, Realtek ALC1220P HD audio codec, and an ATX motherboard form factor.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.Note: AMD B550 chipset is not compatible with AMD Ryzen 5 3400G, AMD Ryzen 3 3200G and all 1000/2000 Series processors.
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 sided 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 fans 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.
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 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.
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.
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 PCI-E 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.
Flash BIOS button
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!)
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.
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!
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.
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
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.
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.
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 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 profile
The 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.
BIOS & Software
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 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.
High-bandwidth and low-latency network
2.5Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users.
Surfacing with the real MU-MIMO technology
The WIFI 6 adopts the latest OFDMA and two-way MU-MIMO technologies and could provide up to 4X network capacity and efficiency in the high signal density environment. Comparing to the WIFI 5, which can only send the data packet to one device at a time on each channel, the WIFI 6 could combine the packet, separate to several devices and allow signals from the different devices bundled together. This new technology provides all the devices in the same network environment with same and harmonious traffic bandwidth in an efficient way.
Optimize online gaming traffic for lower latency
MSI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
Audio boost 4
High definition ALC1220 audio processor
Supports DSD Super Audio CD playback & recording (64x better than regular CD quality) 120dB SNR / 32-bit.
High quality audio capacitors
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.
Golden audio jacks with S/PDIF
Keep your sound perfect by transmit your audio with pure digital signal.
Nahimic & voice boost
Hear your teammates perfectly but still enjoy your audio. Voice Boost automatically reduces the game’s audio when teammates speak, and sets volume back when no one speaks.
Isolated audio signal
Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.
Separated audio layers for clear left and right channels
Using 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 2
Read and write your files over USB faster than ever. MSI MEG 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-C
MSI 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.