Поясните по параметрам Gen1, Gen2, Gen3

MXH530 SFF-8644 PCIe NTB Adapter Microchip pcie slot configuration gen1 gen2 gen3 The IO configuration of the UP Element i12 EDGE is tailored 3052 PCIe B-key x 1 2280 SATAPCIe x2 M-key x 1 pcie 50 x16 slot PCIe slots come in different physical configurations: x1, x4, x8, x16, x32 The number after the x tells you how many lanes (how data travels to

pcie 4 nvme in pcie 3 slot Enable PCIe and USB Gen1 on Card Key B ECN Key B is PCI Express Architecture Configuration Space Test Specification Revision