Can You Help me Understand This SATA NVMe PCIe SSD Gen

The Best PCI Express NVMe Solid State Drives for 2024 pci 4 ssd in pci 3 slot PCIe Gen 4 is backward compatible, so a PCIe Gen 4 device connected to a PCIe Gen 3 system will function normally at PCIe Gen 3 speeds That means if you pcie 2 slot BUT you go buy the off brand no name cheaper 1TB Gen 4 NVME for lets say, 70$ (6-7K read

pcie 4 ssd in pcie 3 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