[WindowsCentral.com]

While PCIe 4.0 support was expected to arrive on older, compatible socket AM4 motherboards, AMD has decided to reverse course on that idea.
What you need to know

[LIST][*]AMD has decided not to allow PCIe 4.0 support on older socket AM4 motherboards.[*]The company says it made the decision because a lack of clarity on which motherboards could reliably run PCIe 4.0 would cause confusion in the market.[*]To get PCIe 4.0, you'll have to use one of AMD's new Ryzen 3000 series processors with an X570 motherboard.[/LIST]

AMD this week revealed that it won't support PCIe 4.0 on older motherboards with its Ryzen 3000 series processors.

Full story from the WindowsCentral blog...