What is the Difference Between PCIe Gen 3 & Gen 4?
Amazon.com: PCIe to USB 3.2 Gen 2 Card with 20 Gbps Bandwidth 7 USB Ports (4 USB Type-A and 3 USB Type-C Ports), PCI Express (PCIe) Expansion Card USB Card for Desktop
PCI Express 1.1 vs 2.0 vs 3.0 vs 4.0 - 2023 Benchmarks [RX 7900 XTX used) : r/Amd