MSI

MSI MAG B550 TOMAHAWK MAX WIFI - AM4 ATX Motherboard - B550, DDR4, 128GB, PCIe 4.0

SKU 5370 Brand MSI EAN13 4719072957957
AM4 ATX gaming motherboard (MSI MAG B550 TOMAHAWK MAX WIFI): AMD B550 chipset, DDR4 up to 128GB, PCIe 4.0, M.2 Shield Frozr, built-in Wi‑Fi for stable performance.
Motherboards - Memory Slots 4
Motherboards - Max Memory Capacity 128 GB
Motherboards - Main Slot PCIe Version PCIe 4.0

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.

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.

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.

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.

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.

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!

A-XMP
Choose from a preset A-XMP profile and automatically overclock compatible DDR memory.

M-FLASH
Conveniently flash or upgrade the BIOS in a few minutes from the CMOS Setup Utility.

HARDWARE MONITOR
Get immediate access to your critical hardware information in real-time including temperature, memory capacity, clock speed, and voltage.

MEMORY TRY IT
Get extreme speed out of your system memory and get more performance.

SEARCH & FAVORITES
A permanent search & favorite option in the top right corner moves you through the BIOS menus quickly.

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 latest Wi-Fi 6E solution supports 6GHz spectrum, Bluetooth 5.2, two-way MU-MIMO and BSS color technology, provide up to 4X network capacity and efficiency in the high signal density environment, delivering speeds up to 2400Mbps.

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.

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 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.

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 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.

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.

EXTEND YOUR RGB EXPERIENCE WITH EASE
Add more color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.


Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported memory typesDDR4-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & Non-ECC
Supported memory clock speeds2133, 2400, 2666, 2933, 3000, 3200, 3300, 3333, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4200, 4266, 4300, 4400, 4533, 4600, 4800, 4866, 5000, 5100 MHz
Supported memory clock speed (max)5100 MHz
Maximum internal memory128 GB
RAID supportYes
RAID levels0, 1, 10
Parallel processing technology supportCrossfire
HDCPYes
DirectX version12.0
USB 2.0 connectors4
USB 3.2 Gen 1 (3.1 Gen 1) connectors3
Number of SATA III connectors6
Front panel audio connectorYes
Front panel connectorYes
ATX Power connector (24-pin)Yes
Power fan connectorYes
Chassis intrusion connectorYes
Peripheral (Molex) power connectors (4-pin)1
EPS power connector (8-pin)Yes
TPM connectorYes
RGB LED pin headerYes
USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
HDMI version2.1
DisplayPorts quantity1
S/PDIF out portYes
Digital audio optical out5
Ethernet LANYes
Ethernet interface type2.5 Gigabit Ethernet
LAN controllerRealtek RTL8125B
Wi-FiYes
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
BluetoothYes
Bluetooth version5.2
Motherboard chipsetAMD B550
Audio chipRealtek ALC897
Audio output channels7.1 channels
Component forPC
Motherboard form factorATX
Motherboard chipset familyAMD
Windows operating systems supportedWindows 10 x64, Windows 11 x64
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 3.x) slots2
PCI Express x16 (Gen 4.x) slots1
Number of M.2 (M) slots2
Clear CMOS jumperYes
Width244 mm
Depth305 mm
Drivers includedYes
Product Brochure (pdf)

Product Brochure (pdf)

User manual (pdf)

User manual (pdf)

CE Marking (pdf)

CE Marking (pdf)