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

What is the difference between PCIe Gen 3 and PCIe Gen 4? pcie x16 expansion slot Have you ever thought if you can plug PCI Express cards into x16 lane slot? In this video pcie4 slot It has a PCIex16 card slot No driver installation is required, just plug and play It can be used with the M Key to PCIex4 expansion card to connect

pcie4 slot Expansion Slots ITFreeTraining•34K views · 10:39 Go to channel · I Will PCIe x1 x4 cards

pciex16 slot configuration ORICO PSM2-X16 is an NVME to PCI-E X16 Expansion in M-Key interface, support GEN3 X16 with hard drives of Description Features Downloads Backplane with one PCIe x16 expansion slot with 12V power The OSS target backplane supports a PCIe Gen3 target cable