What is the difference between PCIe Gen 3 and PCIe Gen 4?

No, I don't believe it is It looks to me like pcpartpicker has assigned the Gigabyte wifi card to PCIe first, taking the top x16 slot; and then it doesn't know

Some low-budget computers are sold with integrated video and have neither a PCI-Express x16 slot or an AGP slot With that kind of computer you're stuck using a

pciex16 slot Have you ever thought if you can plug PCI Express cards into x16 lane slot? In this video

pcie4 slot A motherboard has a PCIe x16 expansion slot Which PCIe adapter will fit in this slot? [x1 x2