Mainboard|msi|amd b550|sam4|microatx|memory ddr4|memory slots 4|2xpci-express 3.0 1x|1xpci-express 4.0 16x|2xm.2|1x15pin d-sub|1xhdmi|1xdisplayport|2xaudio-in|1xaudio-out|2xusb 2.0|4xusb 3.2|1xps/2|1xrj45|b550mpro-vdh

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.

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.