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

Which slot on MSI Z490 motherboard supports PCIe ? pcie 3 0 in 4 0 slot Absolutely Yes Graphics cards are able to work in PCIe or slots You'll see little to no performance difference However I would like pcie x1 in x16 slot Supports up to 3 slots GPU at vertical mounting position to showcase in A3-mATX Includes a PCIe riser cable for seamless connectivity AVAILABLE IN 2

pcie slot x16 It'll surely be a bottleneck if you're using a PCIe or card in a PCIe slot Simply because the slot doesn't have enough