Even though it might be a short-lived standard, the PCIe 4.0 is slowly seeing more adoption, and the latest price cuts for the NVMe 4.0 SSDs should certainly make things more affordable for AMD users who want to pair their Ryzen 3000 CPUs with faster storage solutions.
https://www.notebookcheck.net/1-TB-PCIe-4-0-NVMe-SSDs-get-considerable-price-slashes-now-available-for-only-US-200.439013.0.html