SAMSUNG 980 PRO Series - 2TB PCIe Gen4. X4 NVMe 1.3c - M.2 Internal SSD - MZ-V8P2T0B/AM - Walmart.com
I bought the new Samsung 980 Pro 1TB (PCIe 4.0) and put in the Lenovo Yoga Slim 7 (PCIe 3.0), I saw only ~10% decrease in raw performance : r/AMDLaptops