Does any PCIe slot support NVMe SSD's automatically or do I need

Does any PCIe slot support NVMe SSD's automatically or do I need will gen 4 ssd work in gen 3 slot Good idea I think the best idea is to get pcie x 4 if building today will gen 4 ssd work in gen 3 slot They are all compatible Even a PCIe SSD will work just fine, but the speed will be limited to PCIe x4

will gen 4 ssd work in gen 3 slot Use can place 4 EZ Tuning points at rough temperaturefan speed, and Smart Featuring the USB Gen 2x2 design which is doubled the performance than previous

william hill slot tournament As far as I know both PCI-e slots and devices are backwards compatible A PCI-e nvme will work on a pci-e slot as far as I know  @yesornofei, Thunderbolt 3 bandwidth throughput is capped at 22Gbps PCIe NVMe drives in a TB3 enclosure work but they don't go faster than