![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/71f0oyRb5eL.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
![MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX) MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)](https://storage-asset.msi.com/global/picture/image/feature/mb/B550M/PRO/msi-b550m_pro-accessories.png)
MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)
![MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX) MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)](https://asset.msi.com/resize/image/global/product/product_5_20200818101128_5f3b38d0add0c.png62405b38c58fe0f07fcef2367d8a9ba1/1024.png)
MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)
![MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX) MSI B550M PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, DP, HDMI, Micro ATX)](https://asset.msi.com/resize/image/global/product/product_5_20200818101137_5f3b38d9dc091.png62405b38c58fe0f07fcef2367d8a9ba1/1024.png)