AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ processors Comprehensive cooling: PCH heatsink and Fan Xpert 2+ Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A 5X Protection III: Multiple hardware safeguards for all-around system protection

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors Supports DDR4 Memory, up to 4400(OC) MHz Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr Premium Thermal Solution: 7W/mK pad, additional choke thermal 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 Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.

AMD AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1 Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, 3000 G-Series, 2000 Series, 2000 G-Series and 1000 Series desktop processors and Athlon™ with Radeon™ Vega Graphics desktop processors Supports DDR4 Memory, up to 4133 (OC) MHz Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs. Audio Boost: Reward your ears with studio grade sound quality. 2.5G LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device. Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.

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. FULLY CONTROLLABLE IN BIOS AND SOFTWARE MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you 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 MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier. B550M-A PRO Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) 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 which integrates all MSI exclusive tools with user friendly user interface.

PRO B550M-P Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, and 3000 G-Series processors Supports DDR4 Memory, up to 4400+ MT/s (OC) Lightning Fast Experience: PCIe 4.0 slot and Lightning Gen4 x4 M.2 EZ DIY: EZ Debug LED and EZ Mounting Audio Boost: Reward your ears with studio-grade sound quality MSI Center: A brand-new software which integrates all MSI exclusive tools with user-friendly user interface.