// Technical specification
Key specificationsMSI · B550M-A PRO · AM4
- Brand / manufacturer
- MSI
- Model / part number
- B550M-A PRO
- Socket
- AM4
- Chipset
- B550
- Form factor
- Micro-ATX
- Memory type
- DDR4
- RAM slots
- 2 slots
Full specifications64 GB · 4600 MT/s · 1 slots
- Max memory
- 64 GB
- Max rated speed
- 4600 MT/s
- PCIe x16 slots
- 1 slots
- PCIe generation
- PCIe 4.0
- M.2 slots
- 1 slots
- SATA ports
- 4 ports
- LAN speed
- 1GbE
- Rear I/O
- LAN port HDMI™ DVI-D Keyboard / Mouse USB 3.2 Gen 1 5Gbps Type-A USB 3.2 Gen 1 5Gbps Type-A USB 2.0 Ports Audio Connectors
// Condition report
//Seller's note
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 Series2x DIMMs, DDR4 4600(OC) MHzLightning Gen4 x4 M.2 SlotPremium Digital Power DesignB550M-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.
