What is the purpose of the PCIe X1 slot

What is the difference between PCIe Gen 3 and PCIe Gen 4? pcie 1 slot Ever wondered how you can jam a PCIe 16x card like a video card into a PCIe 1x slot pcie slot for gpu The original Mac Pro models have four PCIe expansion slots with one double-wide 16-lane PCI Express slot occupied by a NVIDIA GeForce 7300 GT in the default

pcie slot qrelease The original Mac Pro models have four PCIe expansion slots with one double-wide 16-lane PCI Express slot occupied by a NVIDIA GeForce 7300 GT in the default