MSI AMD MAG B550 TOMAHAWK ATX Motherboard with Dual M.2, PCIe 4.0, 2.5G LAN + 1G LAN, HDMI/DisplayPort, SATA 6 Gbps
- Support for 3rd Gen AMD Ryzen™ Processors and future AMD Ryzen™ processors with BIOS update
- Supports DDR4 Memory, up to 4866+(OC) MHz
- Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad rated for 7W/mk and PCB with 2oz thickened copper are built for high performance system and non-stop gaming experience.
- Enhanced Power Design: 10+2+1 Duet Rail Power System, Digital PWM, Core Boost, DDR4 Boost.
- Latest Network Solution: Onboard 2.5G LAN plus Gigabit LAN with LAN Manager deliver the best online experience without lag.
- Mystic Light: 16.8 million colors / 29 effects controlled in one click. Mystic Light Extension supports RGB and RAINBOW LED strip.
- Pre-installed I/O Shielding: Better EMI protection and more convenience for installation.
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience.
- Multi-GPU: With Steel Armor PCI-E slots. Supports 2-Way AMD Crossfire™
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.
- 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.
- 10 + 2 + 1 Duet Rail Power System
Unleash and sustain maximum performance with an aggressive VRM design built with a total of 10 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
Load-line Calibration - 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.
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.
- Pre-installed IO Shielding
Featuring 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.
- 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!
- 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.
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.
- Gen4 M.2 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.
- 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.
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.
- 2.5G + 1G LAN
MAG B550 TOMAHAWK features high-bandwidth and low-latency 2.5G plus Gigabit LAN for power users. Onboard 2.5Gbps connectivity provides incredible data transfer speed faster than ever before. MSI LAN Manager automatically classifies and prioritizes the latency-sensitive for your applications, giving you the best online experience with low latency.
- LAN Management
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
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.
- USB 3.2 Gen2
Read and write your files over USB faster than ever. MSI MAG 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.
- 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.
Splash on some color and vibrant RGB lighting effects using MSI Mystic Light with 16.8 million colors and 29 LED effects.
Mystic Light Extension
Still 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.
The JRGB pin header provides the max 3A(12V) power supply for the up to 3 meters 5050 RGB LED strips showing single color.
AMD® Processor Support:
This Motherboard supports AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors.
Operating System Support:
Requires Windows® 10, 64 bit
|Make and Model||MSI MAG B550 TOMAHAWK ATX Motherboard|
|CPU Support||Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update. *
* See supported processors
|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/ 4533/ 4600/ 4733/ 4800/ 4866+ 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
6 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)
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed
2x PCIe 3.0 x1 slots
|Multi-GPU Support||Supports 2-Way AMD CrossFire™ Technology|
AMD B550 Chipset:
|LAN||1x Realtek® RTL8125B 2.5Gbps LAN controller
1x Realtek® 8111H Gigabit LAN controller
|Audio||Realtek® ALC1200 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
|Back Panel I/O Ports||1 x PS/2 keyboard/mouse combo port(s)
1 x DisplayPort
1 x HDMI
1 x USB 3.2 Gen 2 10Gbps (Type-A + Type-C)
2 x USB 3.2 Gen 1 5Gbps (Type-A)
2 x USB 2.0 ports
1 x 2.5G LAN (RJ45) port
1 x 1G LAN (RJ45) port
5 x Audio jack(s)
1 x Optical S/PDIF OUT
1 x Flash BIOS button
|Internal I/O||1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
6x 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
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
2x 4-pin RGB LED connectors
2x 3-pin RAINBOW LED connectors
1x TPM module connector
1x Clear CMOS jumper
|Operating System||Support for Windows® 10, 64 bit|
|Form Factor||ATX Form Factor:
30.5 x 24.4 cm (12" x 9.6")