![Amazon.com: MSI B550M-A PRO ProSeries Motherboard (Support 3rd Gen AMD Ryzen, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, DVI/HDMI, Micro-ATX) : Electronics Amazon.com: MSI B550M-A PRO ProSeries Motherboard (Support 3rd Gen AMD Ryzen, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, DVI/HDMI, Micro-ATX) : Electronics](https://m.media-amazon.com/images/I/6154RpUq3oL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MSI B550M-A PRO ProSeries Motherboard (Support 3rd Gen AMD Ryzen, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, DVI/HDMI, Micro-ATX) : Electronics
![B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up](https://edgeup.asus.com/wp-content/uploads/2020/08/b550-edgeup-feature-696x464.jpg)
B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up
![AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 Support (2020) | GamersNexus - Gaming PC Builds & Hardware Benchmarks AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 Support (2020) | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/images/media/2020/amd-chipsets-b550/amd-b550-chipset-block-diagram.png)