Does Upgrading to PCIe Matter for Gaming on PC?

Does Upgrading to PCIe Matter for Gaming on PC? can i use a pcie 4 0 gpu in a 3 0 slot It's possible that could change with future games, but for now it's a non-issue The data we ran when using the secondary PCIe x16 slot is can you put pcie 4x in 16x slot This would be like similar data rate to if a x32 PCIE slot existed, which we can safely say is overkill for gaming scenarios YMMV (eg

can you put pcie 4x in 16x slot But even these cards don't need what PCIE x16 slots offer GPU that's PCIe 4 ready Image used with permission by copyright holder

can you put pcie 1x in 16x slot Also, my NVMe SSD was not working when put into the top NVMe Pci-e slot on my motherboard, but it worked when I put Understand that the Z840 has Gen 3 PCIe slots According to the PCIe specs, the GPU should fall back to Gen 3 speeds Is