AMD Ryzen 4000 Zen 3 will be compatible with Socket AM4, but it is end of the road for X470, B450, and below motherboard owners - NotebookCheck.net News
Not All AM4 Motherboards May Support 3rd-Gen AMD Ryzen CPUs - ExtremeTech
ASUS Confirms A520 Support for AMD Zen 3 CPUs; X470, B450 Support in Doubt? | TechPowerUp
AMD Ryzen 3000 questions answered: Compatible motherboards, Intel comparison, streaming, gaming, and more - Newegg Insider
What Is the Best Motherboard for Your AMD Ryzen CPU?
AMD Zen 3 processors will be incompatible with 400 series and older motherboards | IT World Canada News
What motherboard do I need for my Intel or AMD Ryzen CPU? | Rock Paper Shotgun
AMD B550 Chipset Detailed, It's Ready for Zen 3, Older AM4 Motherboards not Compatible | TechPowerUp
How to Ensure Your Motherboard Will Support A Ryzen 4000 (4th Gen) CPU - Appuals.com
Are All AM4 Sockets The Same? - GizmoFusion
3 Ways AMD's Ryzen 5000 CPUs Could Dominate the Desktop (and One Way They Won't) | PCMag
How to Ensure Your Motherboard Will Support a Ryzen 3000 CPU | Tom's Hardware