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MSI PRO B550-A PRO AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
- AMD B550
- Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update.
- Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
- Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
- 1DPC 1R Max speed 4800 MHz
- 1DPC 2R max speed 3866 MHz
- 2DPC 1R max speed 4000 MHz
- 2DPC 2R max speed 3600 MHz
Use a USB drive to flash the BIOS even without a CPU or memory.
An optimized power circuit layout is ready to unleash maximum performance.
An enhanced PCB material design improves heat dissipation and high-performance capabilities.
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.
Premium 7W/mK thermal pad covers both the MOSFET and chokes while providing better heat transfer to the heatsink.
Larger heatsink design for cooling and performance.
Control watercooling pump speeds for flowrate and noise control.
Sustain maximum high-speed M.2 SSD data transfer with M.2 SHIELD FROZR and prevent SSD thermal throttling.
Featuring TURBO USB 3.2 GEN 2 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.
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.
Unleash and sustain maximum performance with an aggressive VRM design built to supply stable and steady power delivery.
- 10 phase Duet Rail Power System
- 2 phase SOC Power
- 1 phase APU Power
- Digital PWM IC
An all-metal extended heatsink cover enlarges the heat dissipation surface allowing the CPU power system to reliably drive multi-core processors.
An enhanced PCB material design with 2oz thickened copper increases conductivity, improving heat dissipation and high-performance reliability.
Effortlessly plug in devices with reversible USB Type-C.
Sustain maximum M.2 SSD data transfer with M.2 SHIELD FROZR. Prevent SSD thermal throttling with a heatsink that extends across the motherboard.
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.
MSI takes memory stability and performance to the extreme. We've designed an optimized memory circuit design for reliability and tested compatibility extensively in partnership with major memory manufacturers.
Tuck away SATA and USB cables neatly with MSI Atypical PCB edge.
B550-A PRO 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.
Warranty & Returns
Warranty, Returns, And Additional Information
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's Standard Return Policy