MSI is the most trusted name in gaming and eSports. We’ve dedicated countless hours and committed numerous resources to support the world’s most aspiring and best gamers and use their knowledge and expertise in our products in return. MSI integrated all gamer’s aspirational functions in its gaming rigs and pushing the performance beyond limits.
MAG B550 TOMAHAWK
Advancing Ascension
- MAG B550 TOMAHAWK can Experience the new generation of the MAG B550 TOMAHAWK motherboard powered by 3rd Gen AMD 3000 series AM4 processors. Outperform your system’s potential with 2.5G LAN plus Gigabit LAN. Exclusive DDR4 Boost and Core Boost are created to keep you one step ahead of your competition. Extended Heatsink Design, 7W/mK level thermal & choke pad with 2oz thickened copper help your PC remain cool, high performing and reliable.
- Designed for 3rd Gen AMD Ryzen processors with Lightning Gen 4 M.2, PCIe 4.0, USB 3.2 Gen 2×2.
- Mystic Light provides a complete function to control the RGB light all around the system.
- Extended Heatsink Design improves VRM heat dissipation and ensures the power delivery system can sustain even high-end processors running at full load.
- Front USB Type-C allows gamers to be compatible with the latest PC chassis and perfect for external drives and other mobile devices.
LIGHTNING GEN 4 SOLUTION

The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications.
ENHANCED THERMAL SOLUTION

Higher performance generates more heat. Thermal solution is very important to MAG B550 TOMAHAWK chipset which featured latest Gen4 bandwidth. MSI motherboards featured extended heatsink, 7W/mK level thermal & choke pad, 2oz thickened copper and M.2 Shield Frozr to provide best performance for enthusiast gamers and prosumers.
CORE BOOST

MAG B550 TOMAHAWK has 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 doing.
USB TYPE-C READY IN BOTH FRONT CASE PANEL & REAR IO

Get all the performance benefits from the USB Type-C connector. This reversible USB connector allows for effortless connecting of USB devices.
MAXIMIUM DATA TRANSFER WITH 2.5G Plus Gibait LAN

MSI MAG B550 TOMAHAWK does Features high-bandwidth and low-latency Ethernet networks for demanding creators and power users. Onboard 2.5Gbps plus Gigabit LAN 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.
PRE-INSTALLED IO SHIELDING

Featuring the pre-installed IO shielding, makes your installation process easier and safer. The patent design protect your IO ports also prevent electrostatic discharge damage, makes your motherboard a strong gaming foundation.
Processor |
Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors |
Chipset |
AMD B550 Chipset |
Memory |
- 4 x DDR4 memory 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
- 1DPC 1R max speed 4866 MHZ
- 1DPC 2R max speed 3866 MHZ
- 2DPC 1R max speed 4000 MHZ
- 2DPC 2R max speed 3600 MHZ
- Dual channel memory architecture
- Supports non-ECC UDIMM memory
- Supports ECC UDIMM memory (non-ECC mode)
- Supports un-buffered memory
|
Expansion Slot |
- 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
- The supported specification depends on installed processor.
- When installing devices in M.2_2, PCI_E2 & PCI_E3 slots at the same time, PCI_E3 slot will be unavailable, and M2_2 slot only supports PCIe x2.
|
Multi-GPU |
Supports 2-Way AMD CrossFire™ Technology |
Onboard Graphics |
- 1x HDMI port, supports a maximum resolution of 4096×2160 @24Hz
- 1x DisplayPort, supports a maximum resolution of 4096×2160 @60Hz
- Maximum shared memory of 2048 MB
|
Storage |
AMD B550 Chipset
- 6x SATA 6Gb/s ports
- 2x M.2 slots (Key M)
- M2_1 slot (from AMD Processor)
- Supports PCIe 4.0/ 3.0 x4
- Supports SATA 6Gb/s
- Supports 2242/ 2260/ 2280/ 22110 storage devices
- M2_2 slot (from AMD B550 chipset)
- Supports PCIe 3.0×4
- Supports 2242/ 2260/ 2280 storage devices
- The supported specification depends on installed processor.
|
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
|
USB |
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
- 2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
- 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
|
Audio |
Realtek® ALC1200 Codec
- 7.1-Channel High Definition Audio
- Supports S/PDIF output
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LAN |
- 1x Realtek® RTL8125B 2.5Gbps LAN controller
- 1x Realtek® RTL8111H 1Gbps LAN controller
|
Internal connectors |
- x 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
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Back panel ports |
- PS/2 Combo Port
- DisplayPort
- 2.5G LAN Port
- 1G LAN Port
- HD Audio Connectors
- Flash BIOS Button
- USB 2.0 Port
- HDMI Port
- USB 3.2 Gen 1 5Gbps (Type-A)
- USB 3.2 Gen 2 10Gbps (Type-A + Type-C)
- Optical S/PDIF OUT
|
Dimensions |
- ATX Form Factor
- 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
|
Mounting |
9 mounting holes |
Operating System |
Support for Windows® 10 64-bit |
Warranty |
3 Years |
Note |
***Features, Price and Specifications are subject to change without notice. |
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