Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot?

My questions are: 1 Is the PCI-E NVME SSD compatible with my Z390 Godlike MOBO which has PCI-E slots? 2

Unlike a more obvious and drastic upgrade where you can see the difference in the connector itself, PCIe 3 and 4 drives look identical from

m2 expansion slot Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width

m2 slot A PCIe slot, for example, features an 8 GTs transfer rate per lane, whereas a PCIe slot possesses a 16 GTs transfer rate per lane 2