MSI MAG B550M Bazooka AMD AM4 SATA 6Gb/s Micro-ATX Gaming Motherboard

Conquer the Battlefield
The MAG series was born through rigorous quality testing and designed to be a symbol of sturdiness and durability. Focused on providing the best user experience, the MAG series has a simple installation process coupled with a friendly user interface making it the best choice for entry level gamers.

Core Boost Technology
With premium layout design, that is ready for unleashing the maximum performance.

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

Digital PWM
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.

Extended Heatsink
MSI extended PWM and enhanced circuit design ensures even high-end processors to run in 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 watercooling pump speeds for best flow and noise control.

Heatsinks with 7W/mK Thermal Pad
7W/mK thermal pad provides better heat transfer to the heatsink.

4K Support
Onboard HDMI/DP support up to 4K UHD resolution.

Gigabit Network Solution
Featuring Gigabit LAN with LAN manager delivers better network experience.

DDR4 Boost
The fully isolated DDR circuit 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.

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.

Cooling

Extended Heatsink Design

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.

M.2 Shield FROZR
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.

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 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.

Pump Fan Ready

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

Structure

4 + 2 +1 Duet Rail Power System
Unleash and sustain maximum performance with an aggressive VRM design built with digital CPU power phases. Combining exclusive Core Boost technology, MAG series motherboard is ready to sustain heavy gaming loadings.

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.

Game Boost

1-Second Overclocking!
MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

More For Performance

Overvoltage Protection
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.

DIY Friendly

Flash Bios Button

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!

Keep Out Zone
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean, preventing any component contact or damage to the motherboard.

More User Friendly Enhancements

XL Clip
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.

EZ LED Control
A built-in LED button on the motherboard to control your light effect. Turn on/off your light in a second!

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.

Lightning GEN 4

Lightning GEN 4 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.

Memory

DDR4 Boost

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

DDR4 Enhancement

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.

A-XMP

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

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.

Connectivity
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.

Networking

LAN Manager

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

Audio Boost

Dedicated High Definition Audio Processor
Make sure you enjoy the purest sound quality in both stereo and surround sound.

High Quality Audio Capacitors
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.

High Quality Audio Jacks
Keep your sound perfect by transmit your audio with pure digital signal.

Isolated Audio Signal

Isolated Audio Design
Like 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 Channels
Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.

De-Pop Protection
Audio Boost protects your ears by eliminating those annoying loud popping sounds when you plug/unplug devices or turn your PC on/off.

USB

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.