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. Higher efficiency makes your work easier, and MSI motherboards allow you to manage speeds and temperatures for all your system and CPU fans through either the BIOS or through system software. Total Fan Control allows you to check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically. FEATURES: Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™ 4000 G-Series Desktop Processors Supports DDR4 Memory, up to 4600(OC) MHz Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 Core Boost: With premium layout and digital power design to support more cores and provide better performance DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability 2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation and performance reliability Audio Boost: Reward your ears with studio grade sound quality Dragon Center: A brand new software that integrates all MSI exclusive tools with the user-friendly user interface. SPECIFICATIONS: Socket: AMD Socket AM4 CPU (Max Support): Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™4000 G-Series Desktop Processors Chipset: AMD® B550 Chipset DDR4 Memory: 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/ 4600+ MHz by A-XMP OC Mode Memory Channel: Dual DIMM Slots: 2 Max Memory (GB): 64 PCI-E x16: 1 PCI-E Gen: Gen4 / Gen3 PCI-E x1: 1 SATAIII: 4 M.2 Slot: 1 RAID: 0/1/10 TPM (header): 1 LAN: 1x Realtek® RTL8111H Gigabit LAN USB 3.2 ports (Front): 2(Gen 1, Type A) USB 3.2 ports (Rear): 4(Gen 1, Type A) USB 2.0 ports (Front): 4 USB 2.0 ports (Rear): 2 Audio ports (Rear): 3 HD audio connectors DVI-D: 1 HDMI: 1 DirectX: 12 Form Factor: MATX Operating System: Support for Windows® 10 64-bit WHAT’S IN THE BOX: MSI B550M-A PRO AM4 M-ATX Motherboard – Black x1 SATA cables x2 I/O Shield x1 Driver DVD x1 Quick Install Guide x1

  • SKU: B550M-APRO

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Warranty- 3 Years