PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.
B550-A PRO
EXCLUSIVE FEATURE
Flash BIOS Button
Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card.
Core Boost Technology
Combining premium layout design, that is ready for unleashing the maximum performance.
2oz Thickened Copper PCB
An enhanced PCB design improves heat dissipation and performance reliability.
Digital PWM
Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.
PCI-E Steel Armor
Protecting VGA cards against bending and EMI for better performance, stability and strength.
B550-A PRO
premium thermal solution
7W/mK Thermal Pad
Preminum 7W/mK thermal pad covered both MOSFET and chokes, provides better heat transfer to the heatsink.
Extended Heatsink
MSI extended PWM and enhanced circuit design ensures even high-end processors to run in full speed.
Pump Fan Support
Control watercooling pump speeds for best flow and noise control.
M.2 Shield Frozr
Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
B550-A PRO
HIGH-SPEED TRANSMISSION
Turbo USB
Featuring the TURBO USB 3.2 GEN 2 10Gbps, with reversible Type-C connector.
DDR4 Boost
The fully isolated DDR circuit with Interdigital Tabbed Routing to deliver pure data signals and improve signal reliability at high frequencies.
Lightning Gen 4 Solution
The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
USER FRIENDLY DESIGN
MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue.
CONNECTIVITY
The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers’ need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility.
B550-A PRO
- Support for 3rd Gen AMD Ryzen™ processors and future AMD Ryzen™ processors with BIOS update
- Supports DDR4 Memory, up to 4400(OC) MHz
- Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
- Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
- Audio Boost: Reward your ears with studio grade sound quality
- Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™
- Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
