In Linux, is there a way to find out which PCI card is plugged into

For example, a single-lane PCIe card can be Yes, you can definitely install a PCI-Ex1 card in to any PCIEx1, x4, or x16 slot

Then, it's the turn to introduce PCIe slot This slot has 7 versions: x1, x2, x4, x8, x12, x16, and x32, corresponding to 1248

pcie 20 x1 slot 1 additional PCI-Express x1 slot is needed

pci e slot If there is more than one GPU or lane occupied on the motherboard, the second PCI lane, when used in conjunction with the first, brings the PCI