How to check PCI type and version of free PCI slot in Linux shell

Types of Graphic Card Slots - Small Business - gpu slot types Usually, a graphics card comes in the form of a printed circuit board which is to be inserted into an expansion slot Others may have gpu stuck in pcie slot From what I gathered in my motherboard's manual, both PCI 1 and PCI 3 slots are PCIe x16 slots, which seems to match my GPU

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