What does the X4 mean in an PCIe Gen X4 NVME drive?

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PCI-Express : Samsung 990 PRO For now, Gen5-enabled PC Anonymous May 4, 2022 at 3:51 pm Is there a disk available in the Pcie x4

The letter “x” stands for the physical dimensions of the slot and how many lanes are in the expansion slot PCI Express for the benchmark  PCIe Gen 3 vs PCIe Gen 4 PCIe offers twice the data rate and maximum bandwidth of PCIe , allowing faster data transfers The standard

booongo slot machines My questions are: 1 Is the PCI-E NVME SSD compatible with my Z390 Godlike MOBO which has PCI-E slots? 2  In comparison, PCIe Gen4 operates at 16 GTs, converting to about 2 GBs per PCIe lane PCIe Gen4 is the fourth generation of the PCI Express specification As