GPU-Z says RX 5700 runs on PCIE v4 on an A320M motherboard… (don't get your hopes up, GPU-Z is probably drunk) : r/Amd
MLLSE AMD Radeon RX6600M 8GB Graphics Card GDDR6 128-bit PCIe 4.0 x8 7nm GPU RX6600 Mobile GPU Gaming Placa De Video - AliExpress
Your Ultimate Guide to Understanding PCIe 4.0
Amazon.com: GIGABYTE ASUS AMD Radeon RX 5700 XT PCIe 4.0 VR Ready Graphics Card with 8GB GDDR6 Memory and Support for up to 6 Monitors (RX5700XT-8G) : Electronics
AMD Radeon RX 6500 XT is limited to PCIe 4.0 x4 interface - VideoCardz.com
Thanks to AMD, PCIe 4 Has Finally Arrived. But Does It Matter? | Digital Trends
AMD or Intel for GeForce RTX 3080 Benchmarking: Is PCIe 4.0 a Factor? | TechSpot