MSI B550M-A Pro M-ATX Motherboard (AMD Socket AM4, DDR4)
Feature:
MSI B550M-A 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 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.
FAST AND FUTURE-READY STORAGE
MSI B550M-A Pro 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.
PCB WITH 2OZ THICKENED COPPER
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
LIGHTNING GEN 4 PCI-E
MSI B550M-A Pro lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise.
Specification:
| Platform | AMD |
| Socket | AM4 |
| Cpu Type | Ryzen 5000, Ryzen 4000 G, Ryzen 3000 |
| Chipset | B550 |
| Memory Speed | up to 4600 |
| Max Memory Support | 64 GB |
| Supported Memory Type | DDR4 |
| Channel Supported | Dual Channel |
| Memory Feature | Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory |
| Graphics Port | 1x HDMI,1x DVI-D |
| Expansion Slots | 1x PCIe 3.0 x1 slot 1x PCIe 4.0/3.0 x16 slot |
| Back Panel I/O Ports | 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 |
| Internal I/O Connector | 1x 24-pin ATX main power connector 1x 4-pin ATX 12V power connector 4x SATA 6Gb/s connectors 1x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1x 4-pin CPU fan connector 1x 4-pin system fan connectors 1x Front panel audio connector 2x System panel connectors 1x Chassis Intrusion connector 1xTPM module connector 1x Clear CMOS jumper |
| Form Factor | Micro-ATX |
| Warranty | 3 Years |
| Note | Features, Price, Specifications are subject to change without notice. Images used for representation purposes only |



