ENHANCED THERMAL DESIGN
Robust Power Layout and PCB with 2oz Thickened Copper
An aggressive VRM power solution and high-quality PCB material design with 2oz thickened copper ensure stable power delivery, durability, and high-performance reliability.
All Aluminum Cover with Extended Heatsink Design
Heatsinks are constructed from aluminum for its high heat conductivity. The large heatsinks and 7W/mK rated thermal pads have been formed with more surface for improved heat dissipation capabilities.
M.2 Shield Frozr
Prevent SSD thermal throttling and sustain maximum high-speed M.2 SSD data transfer with M.2 Shield Frozr.
LIGHTNING GEN 4
Lightning Gen 4 M.2
Powered by 3rd Gen Ryzen processors, MSI B550 motherboards strike fast with Lightning Gen 4 M.2, capable of SSD transfer speeds up to 64 Gb/s.
Lightning Gen 4 PCI-E
Gen 4 is the latest and the fastest PCI Express standard, allowing for up to 64 GB/s of unidirectional data transfer, double compared to the previous generation.
High-Performance Circuits
Core Boost and DDR4 Boost each combine a reserved zone of optimized circuits and premium components to unleash maximum performance from AMD Ryzen processors.
PREMIUM CONNECTIVITY
2.5G LAN with LAN Manager and AMD Wi-Fi 6E Solution
Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection.
Flash BIOS Button and Optimized Clear CMOS Function
Flash BIOS Button allows users to flash the BIOS in a few steps. Optimized Clear CMOS function helps to restore the BIOS to default settings in only one step.
Front Type-C
All MSI B550 motherboards feature USB Front Type-C connectors allowing compatibility with the latest USB devices and synergy with MSI cases.
 MEG B550 UNIFY |
 MPG B550 GAMING EDGE WIFI |
 MPG B550 GAMING PLUS |
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CPU Compatibility |
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Memory |
4 x DIMM; Max. 128GB DDR4; 5100+ MHz | 4 x DIMM; Max. 128GB DDR4; 4866+ MHz | 4 x DIMM; Max. 128GB DDR4; 4400+ MHz | |
PCIe x16 Slots |
1x PCIe 4.0 x16 slot (x16) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
1x PCIe 4.0 x16 slot (x16) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
1x PCIe 4.0 x16 slot (x16) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
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Display Output |
HDMI (requires processor graphics) | HDMI, DisplayPort (requires processor graphics) | HDMI, DisplayPort (requires processor graphics) | |
M.2 |
4x M.2 | 2x M.2 | 2x M.2 | |
Wireless |
Wi-Fi 6 & Bluetooth | Wi-Fi 6 & Bluetooth | N/A | |
Mystic Light RGB |
N/A | 16.8 million colors | 16.8 million colors | |
Form Factor |
ATX | ATX | ATX | |
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 MAG B550 TOMAHAWK MAX WIFI |
 MAG B550 TOMAHAWK |
 B550-A PRO |
 B550M PRO-VDH WIFI |
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CPU Compatibility |
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Memory |
4 x DIMM; Max. 128GB DDR4; 5100+ MHz | 4 x DIMM; Max. 128GB DDR4; 4866+ MHz | 4 x DIMM; Max. 128GB DDR4; 4400+ MHz | 4 x DIMM; Max. 128GB DDR4; 4400+ MHz |
PCIe x16 Slots |
1x PCIe 4.0 x16 slot (x16) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
1x PCIe 4.0 x16 slot (x16) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
1x PCIe 4.0 x16 slot (x16 / x4) 1x PCIe 3.0 x16 slot (x4) 2x PCIe 3.0 x1 slots |
1x PCIe 4.0 x16 slot (x16) 2x PCIe 3.0 x1 slots |
Display Output |
HDMI, DisplayPort (requires processor graphics) | HDMI, DisplayPort (requires processor graphics) | HDMI, DisplayPort (requires processor graphics) | HDMI, DisplayPort, VGA (requires processor graphics) |
M.2 |
2x M.2 | 2x M.2 | 2x M.2 | 2x M.2 |
Wireless |
Wi-Fi 6E & Bluetooth | N/A | N/A | Wi-Fi 6 & Bluetooth |
Mystic Light RGB |
N/A | 16.8 million colors | N/A | N/A |
Form Factor |
ATX | ATX | ATX | mATX |
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All images and descriptions are for illustrative purposes only. Product specification, function, and appearance may vary based on different product.
All prices reflect the final price after savings. Offers expire 12/31/2024 at 11:59 P.M. PT.