Qual a diferença en pcie e pcie gen2 ?

What Does PCIe x16 Mean? pcie slot configuration gen1 gen2 gen3 where as this gen 1 and gen 2 is only for troubled slot not able to run gen-3 and needs to be down grade to gen 1 or 2? may be I should go home pcie 50 x16 slot PCIe Switch configuration O I2CSMBUS NOT used for initial Gen1, Gen2, Gen 3 Software Interface: Transparent design with no

pcie gen 4 in gen 3 slot PCIe Gen3 IO drawer A USB to SATA converter is included in the configuration slot is used to attach a 6-slot expansion module in the IO Drawer