MSI AMD MAG B550M BAZOOKA mATX Motherboard with Dual M.2, PCIe 4.0, Gigabit LAN, HDMI/DisplayPort, SATA 6 Gbps

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
  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.
• 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

• 4 + 2 + 1 Duet Rail Power System
  Unleash and sustain maximum performance with an aggressive VRM design built with a total of 8 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
  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
  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
  Circuits have been routed away from the case standoff keep out zones to minimize the damage impacts of misplaced mounting pieces.
• 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!

Protection

• PCB with 2oz Thickened Copper
  An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
• 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.
• Double ESD Protection
  Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.
• Certified for Gaming
  MSI 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.
• Windows® 10 Certified
  With MSI you benefit from great compatibility and a worry-free user experience when using Microsoft Windows® 10. With a true dedication to performance, our R&D team has made sure everything works as intended when using the latest version of Microsoft Windows on any MSI product.

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 Gen4 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
  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.
• DDR4 Enhancement
  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
  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
  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 with S/PDIF - Keep your sound perfect by transmit your audio with pure digital signal.
• 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 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

• Front USB Type-C
  MSI 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.

AMD® Processor Support:

This ASUS Motherboard supports AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors.

Operating System Support:

Requires Windows® 10, 64 bit

Make and Model	MSI MAG B550M BAZOOKA mATX Motherboard
CPU Support	Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update.* * See supported processors
Chipset	AMD® B550
Memory	4 x DDR4 slots, support up to 128GB Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory See supported memory
Integrated Graphics	1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz 1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz Maximum shared memory of 2048 MB
Storage	AMD B550 Chipset: 2x M.2 slots (Key M) M2_1 slot (from AMD Processor): Supports PCIe 4.0/ 3.0 x4 M2_2 slot (from AMD B550 chipset): Supports PCIe 3.0x4 4 x SATA 6Gb/s port(s)
RAID	Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Expansion Slots	1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 2x PCIe 3.0 x1 slots
Multi-GPU Support	N/A
USB Ports	AMD B550 Chipset: 3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector) 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) AMD Processor: 4x USB 3.2 Gen 1 5Gbps Type-A ports (4 Type-A ports on the back panel)
LAN	1x Realtek® 8111H Gigabit LAN controller
Wireless	N/A
Bluetooth	N/A
Audio	Realtek® ALC892 Codec 7.1-Channel High Definition Audio
Back Panel I/O Ports	1 x PS/2 keyboard/mouse combo port(s) 1 x DisplayPort 1 x HDMI 4 x USB 3.2 Gen 1 5Gbps Type A 2 x USB 2.0 ports 1 x Gigabit LAN (RJ45) port 3 x HD Audio jack(s) 1 x Flash BIOS button
Internal I/O	1x 24-pin ATX main power connector 1x 8-pin ATX 12V power connector 4x SATA 6Gb/s connectors 2x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps Type-C port 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1x 4-pin CPU fan connector 1x 4-pin water-pump fan connector 3x 4-pin system fan connectors 1x Front panel audio connector 2x System panel connectors 1x Serial port connector 1x Chassis Intrusion connector 2x 4-pin RGB LED connector 2x 3-pin RAINBOW LED connectors 1xTPM module connector 1x Clear CMOS jumper
Operating System	Support for Windows® 10, 64 bit
Form Factor	mATX Form Factor: 24.4 x 24.4 cm (9.6" x 9.6")