MSI B550-a Pro Socket AM4 AMD B550 PCIe 4.0 SATAIII USB3.2 Gen2 ATX Motherboard

MSI B550-a Pro Socket AM4 AMD B550 PCIe 4.0 SATAIII USB3.2 Gen2 ATX Motherboard

Regular price $157.23 Save $-157.23

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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.

Audio Channels 7.1
Country of Origin China
Network & Communication
Gigabit Ethernet Yes
Onboard Video CPU Dependent Video
Limited Warranty 3 Year
Physical Characteristics
Form Factor ATX
Width 12"
Depth 9.6"
Maximum Memory 128 GB
Memory Technology DDR4 SDRAM
Number of Memory Slots 4
Memory Form Factor DIMM
Memory Speed Supported 2800 MHz
2800 MHz (O.C.)
2667 MHz (O.C.)
2667 MHz
2400 MHz
2133 MHz
1866 MHz
4133 MHz (O.C.)
4000 MHz (O.C.)
4266 MHz (O.C.)
4400 MHz (O.C.)
2933 MHz
2933 MHz (O.C.)
3000 MHz
3000 MHz (O.C.)
3066 MHz
3066 MHz (O.C.)
3200 MHz
3466 MHz (O.C.)
3600 MHz (O.C.)
3733 MHz (O.C.)
3866 MHz (O.C.)
I/O Expansions
Number of PCI Express x1 Slots 2
Number of Total Expansion Slots 4
Number of PCI Express x16 Slots 2
Total Number of PCI Express Slots 4
I/O Controller
RAID Levels 10
Controller Type Serial ATA/600
RAID Supported Yes
Onboard Interfaces
Number of SATA Interfaces 6
Total Number of Onboard USB Ports 7
Number of Onboard USB 2.0 Ports 4
Number of M.2 Interfaces 2
Number of Onboard USB 3.2 Ports 3
Number of Network (RJ-45) Ports 1
DisplayPort Yes
Total Number of USB Ports 8
Number of USB 2.0 Ports 4
Number of USB 3.2 Ports 4
Processor & Chipset
Processor Supported Ryzen 5
Ryzen 9
Ryzen 7
Ryzen 3
Total Processor Supported 1
Processor Socket Socket AM4
Chipset Manufacturer AMD
General Information
Product Type Desktop Motherboard
Manufacturer Part Number B550APRO

Manufacturer MSI
Product Model B550-A PRO
Product Name B550-A PRO Desktop Motherboard
Product Series PRO
Brand Name MSI