PRO SERIES
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.
I/O Controller
| Controller Type |
Serial ATA/600 |
| RAID Supported |
Yes |
| RAID Levels |
0 |
| 10 |
| 1 |
I/O Expansions
| Number of Total Expansion Slots |
4 |
| Total Number of PCI Express Slots |
4 |
| Number of PCI Express x1 Slots |
2 |
| Number of PCI Express x16 Slots |
2 |
Memory
| Number of Memory Slots |
4 |
| Memory Form Factor |
DIMM |
| UDIMM |
| Maximum Memory Supported |
128 GB |
| Memory Technology |
DDR4 SDRAM |
| Memory Speed Supported |
1866 MHz |
| 2133 MHz |
| 2400 MHz |
| 2667 MHz |
| 2800 MHz |
| 2933 MHz |
| 3000 MHz |
| 3066 MHz |
| 3200 MHz |
| 3466 MHz |
| 3600 MHz |
| 3733 MHz |
| 3866 MHz |
| 4000 MHz |
| 4133 MHz |
| 4266 MHz |
| 4400 MHz |
Network & Communication
Video
| Onboard Video |
CPU Dependent Video |
Audio
General Information
| Manufacturer |
MSI |
| Manufacturer Website Address |
http://au.msi.com |
| Brand Name |
MSI |
| Product Series |
PRO |
| Product Model |
B550-A PRO |
| Product Name |
B550-A PRO Desktop Motherboard |
| Product Type |
Desktop Motherboard |
Interfaces/Ports
| Total Number of USB Ports |
8 |
| Number of USB 2.0 Ports |
4 |
| Number of USB 3.2 Ports |
4 |
| HDMI |
Yes |
| DisplayPort |
Yes |
| Number of Network (RJ-45) Ports |
1 |
Miscellaneous
Onboard Interfaces
| Number of SATA Interfaces |
6 |
| Number of M.2 Interfaces |
2 |
| Total Number of Onboard USB Ports |
7 |
| Number of Onboard USB 2.0 Ports |
4 |
| Number of Onboard USB 3.2 Ports |
3 |
Physical Characteristics
| Form Factor |
ATX |
| Width |
304.8 mm |
| Depth |
243.8 mm |
Processor & Chipset
| Chipset Manufacturer |
AMD |
| Chipset Model |
B550 |
| Total Processor Supported |
1 |
| Processor Socket |
Socket AM4 |
| Processor Supported |
Ryzen 3 |
| Ryzen 5 |
| Ryzen 7 |
| Ryzen 9 |
| Multi GPU Supported |
CrossFire |
