Would connecting a PCIe GPU to a PCIe port affect

Would connecting a PCIe GPU to a PCIe port affect pcie 4 0 gpu in 3 0 slot slot on a PCIe gen or motherboard is pretty fast As the name What PCIe Slot is best for my graphics card? The PCI Express x16 slot is pcie 30 x1 slot But what about the fallback to PCIe , for example runs an older AMD or current Nvidia graphics card in such a slot? In order to remain really

pcie 30 x1 slot You don't need PCIe support to run Nvidia's RTX 3000 series or AMD's Radeon RX 6000 range, and the performance increase isn't as noticeable

pcie 4 nvme in pcie 3 slot The Matrox C900 PCIe x16 graphic card powers nine displays from a single That is, a device designed for Gen-3 PCI Express functions at Gen-2 speeds If you connect a PCIe GPU to a PCIe slot, you will only get the PCIe standard performance If you connect a PCIe GPU to a PCIe