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

9211-8i card in PCIE x16 slot but operates at x4, would this pcie 2 slot There are three external and one internal PCIe slots available in the server The external slots support optional, standard PCIe cards and are numbered 1, 2 pcie slot meaning x, , , ) PCIe cards can always operate in PCIe slots with the same or more lanes than the card

pcie 3 slot PCIE x16 x8 is good enough for up to a 2080Ti under both Linux and Windows Estimated upcoming 5000+ shadercore gpus might be limited