The difference between PCIe x1, x4, x8, x16 and x32

PCI Express® also known as PCIe or PCIe Gen 4 is the fourth generation of Peripheral Component Interconnect Express

Testing and installing a Gen4 NVME SSD on a Gen3 Motherboard This includes Unboxing

pcie2 slot PCI Express Gen 3 x8 but i get the same behaviour if i put it in slot 4 (PCI Express Gen 3 x16 ) is this a known issue

pcie 4 nvme in pcie 3 slot PCIe x4 Gen4 to AIC