PCIe 3.0 x8 vs. x16: Does It Impact GPU Performance? | GamersNexus - Gaming PC Builds & Hardware Benchmarks
GIGABYTE – NVIDIA GeForce RTX 3070TI GAMING OC 8GB GDDR6X PCI Express 4.0 Graphics Card – Black - Techpoint USA
PCIe 4.0: Everything you need to know, from specs to compatibility to caveats
TNP 6 Pin to 8 Pin PCIe Adapter, 6 to 8 Pin PCI Express Power Connector, PCIe 4.0 Graphics Card GPU Power Supply Cable Adapter Power Connection Pins, for ATI and NVidia