MSI B550M-A PRO Motherboard (AMD Ryzen 3000 3rd Gen AM4, DDR4, M.2, USB 3.2 Gen 1, HDMI, Micro ATX)
Amazon.com: MSI Performance Gaming AMD X470 Ryzen 2ND and 3rd Gen AM4 DDR4 DVI HDMI Onboard Graphics CFX ATX Motherboard (X470 GAMING PLUS Max) : Electronics
How to Ensure Your Motherboard Will Support a Ryzen 3000 CPU | Tom's Hardware
Biostar publishes list of 3rd Gen Ryzen-compatible motherboards and reveals "AMD Ryzen 3000 Desktop Ready" logo in the process - NotebookCheck.net News
AM4 Motherboard DDR4 Ryzen CPU MSI MAG B550M MORTAR AM4 Mainboard AMD Ryzen 3000/5000 Series PCI E 4.0 128GB AMD B550 Gaming New| | - AliExpress
AMD Budget B550 Motherboards For Ryzen 3000 Launch on 16th June