MSI B550-A Pro - The AMD B550 Motherboard Overview: ASUS, GIGABYTE, MSI, ASRock, and Others
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![](https://storage-asset.msi.com/global/picture/image/feature/mb/B550/A-Pro/connectivityKV.png)
B550-A PRO
![](https://media.officedepot.com/images/f_auto,q_auto,e_sharpen,h_450/products/6912269/6912269_o51_et_8839367/6912269_o51_et_8839367.jpg)
MSI B550 A PRO Desktop Motherboard AMD B550 Chipset Socket AM4 ATX 128 GB DDR4 SDRAM Maximum RAM DIMM UDIMM 4 x Memory Slots Gigabit Ethernet HDMI DisplayPort 6 x SATA Interfaces - Office Depot
![](https://images.anandtech.com/doci/15850/MSI%20MPG%20B550%20Gaming%20Carbon%20Wifi%20Motherboard.jpg)
MSI MPG B550 Gaming Carbon Wifi - The AMD B550 Motherboard Overview: ASUS, GIGABYTE, MSI, ASRock, and Others
![](https://m.media-amazon.com/images/I/81GFdTG-s4L._AC_UF350,350_QL80_.jpg)
MSI B550 Gaming GEN3 Gaming Motherboard (AMD AM4, DDR4, PCIe 3.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, HDMI, ATX, AMD Ryzen 5000/4000 Series Processors) : Electronics
![](https://m.media-amazon.com/images/I/81QbZcKRiDL.jpg)
MSI B550-A PRO ProSeries Gaming PC Motherboard - AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX, AMD Computer Motherboards (Renewed) : Electronics
![](https://images.anandtech.com/doci/15850/ASRock%20B550%20Steel%20Legend%20%281%29.jpg)
ASRock B550 Steel Legend - The AMD B550 Motherboard Overview: ASUS, GIGABYTE, MSI, ASRock, and Others
ATX Form Factor, AMD B550 Chipset, Socket AM4, 4 x Dual-Channel DDR4-4400 (OC), 6 x SATA III, 2 x M.2, 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16 Slots, 2 x PCIe 3.0 x1 Slots, 7.1-Channel HD Audio, Realtek RTL8111H Gigabit LAN. Focus on business programs and optimize your workflow with the B550-A PRO ATX Motherboard from MSI. Designed to streamline assembly time MSI allows you to focus on components that will enhance workload efficiency.
![](https://c1.neweggimages.com/BizIntell/item/13/144/13-144-330/msi-b550-a_pro-extended_heatsink_061720.jpg)
MSI B550-A Pro AMD AM4 ATX Motherboard
![](https://cdn.mos.cms.futurecdn.net/bRxg58AyFvNrX6EaPyo6Yj.png)
Best B550 Motherboards: AMD's More Affordable PCIe 4.0 Option
![](https://images.anandtech.com/doci/15850/ASRock%20B550M-ITXac%20%282%29.jpg)
ASRock B550M-ITX/ac - The AMD B550 Motherboard Overview: ASUS, GIGABYTE, MSI, ASRock, and Others
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ASRock B550 Pro4 vs MSI B550-A Pro: What is the difference?