Intel is prototyping PCIe 4.0 SSDs, but needs AMD CPUs to test them | TechSpot
B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
Thanks to AMD, PCIe 4 Has Finally Arrived. But Does It Matter? | Digital Trends
GIGABYTE Advances To PCIe 4.0 With X570 AORUS Motherboards | AORUS
AMD Ryzen on Twitter: "Ryzen 3000 series' PCIe 4.0 compatibility means your PC is ready for the future with double the data bandwidth, backwards compatibility, and the ability to connect more devices