Holiday Shipping Details & Extended Holiday Returns 
An optimized power circuit layout is ready to unleash maximum performance.
6 layer PCB improves signal transmission for high performance capabilities across the motherboard.
An enhanced PCB material design with 2oz thickened copper increases conductivity, improving heat dissipation and high-performance reliability.
A selection of the highest quality power delivery components lets the system run reliably even under extreme conditions.
Reinforced and shielded PCIe slots for strength and stability.
Larger heatsink design for cooling and performance.
Sustain maximum high-speed M.2 SSD data transfer with M.2 SHIELD FROZR and prevent SSD thermal throttling.
Control watercooling pump speeds for flowrate and noise control.
7W/mK thermal pad provides better heat transfer to the heatsink.
Onboard 2.5G & Gigabit Ethernet LAN with gaming LAN manager.
Featuring TURBO USB 3.2 GEN2 10Gbps with reversible Type-C connector.
The memory circuit design has been optimized on a reserved section of the motherboard fully isolated from other circuits.
Transfer data lightning fast across Gen 4 PCI-E and M.2 with up to 64GB/s bandwidth.
An extended PWM heatsink and efficient circuit design keep temperatures in check and let the CPU power delivery system sustain extreme performance.
Sustain maximum M.2 SSD data transfer with M.2 SHIELD FROZR. Prevent SSD thermal throttling with a heatsink that extends across the motherboard.
Unleash and sustain maximum performance with an aggressive VRM design built to supply stable and steady power delivery.
- 10 phase Duet Rail CPU Power System / Smart Power Stage 60A
- 2 phase SOC Power
- 1 phase APU Power
- Digital PWM IC
An enhanced PCB material design with 2oz thickened copper increases conductivity, improving heat dissipation and high-performance reliability.
Strike fast with MSI Lightning Gen 4 PCI-E. Attach ultra fast PCI-E 4.0 devices and enjoy up to 64GB/s unidirectional transfer bandwidth.
Personalize your PC with RGB LED lighting capable of 16.8 million colors with dynamic effects through the Mystic Light APP.
- Customize colors
- Customize effects
MAG B550 TOMAHAWK features high-bandwidth and low-latency 2.5G and Gigabit LAN for demanding creators and 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.
Core Boost combines a reserved zone of optimized circuits and premium power delivery components to create a highly efficient power system capable of precise current output to the CPU.
MSI takes memory stability and performance to the extreme. The memory circuit layout has been optimized for reliability and tested extensively in partnership with major memory manufacturers for compatibility.
MAG B550 TOMAHAWK supports AMD CrossFire multi GPU technology. PCI-E slot placements provide optimal airflow for graphics card cooling. 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 counts, Steel Armor shields the point of contact from electromagnetic interference.
Like a dedicated sound card, Audio Boost offers an HD audio processor, dedicated amplifier and high quality audio capacitors, all physically isolated from the rest of the motherboard circuitry to ensure the purest audio signal to locate enemies with pin-point accuracy.