Description

Manufacturer MSI
Manufacturer Part Number B550APRO
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Series PRO
Product Model B550-A PRO
Product Name B550-A PRO Desktop Motherboard
Marketing Information 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.

Product Type Desktop Motherboard
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
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
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels
  • 0
  • 1
  • 10
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
I/O Expansions
Total Number of Expansion Slots 4.0
Total Number of PCI Express Slots 4
Number of PCI Express x1 Slots 2
Number of PCI Express x16 Slots 2
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
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 12″ (304.80 mm)
Depth 9.60″ (243.84 mm)
Miscellaneous
Country of Origin China
Warranty
Limited Warranty 3 Year