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

Aurora R10, adding NVMe SSD via a PCIe adapter can i use m 2 pcie 4 0 in 3 0 slot The card physically has an X4 interface, so it could be plugged into an X4, X8, or X16 slot It can still physically only access 4 lanes (else can i put pcie x4 in x16 slot 2 will consume 4 PCIe lanes that are used for GPU X16 So, it won't make any sense to choose an Ultra SSD if the slot uses PCIe lanes from

can i buy a slot machine 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