MSI 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.

Specifications
Manufacturer: MSI
Manufacturer Part Number: B550-A PRO
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
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
• 10
• 1

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
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: 304.8 mm
Depth: 243.8 mm
Miscellaneous
Country of Origin: China