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

Does any PCIe slot support NVMe SSD's automatically or do I need pci e slot Presently, there are three main PCI motherboard connectors 64 bit PCI; 32 bit PCI and PCI-X; PCI Express Each PCI pcie gen 4 in gen 3 slot PCIe Gen3 provides 8 gigatransfers per second or effectively up to 984 MBs per lane so

pcie4 slot This definitely isn't your regular old mini PC something's up! Check out the full video here