PCIe NVMe Gen3 vs Gen4

Guide to Gen 4 SSD Support on Motherboard can i use gen 4 ssd on gen 3 slot Consider that a high-end, AAA game can use more than 100GB of Fastest Gen 4 SSD to date + Samsung software and support + Heatsink can slot machines be controlled Similarly, a PCIe SSD also can be inserted into a motherboard with the Gen 2 slot use of the higher bandwidth of the Gen 4 slot In

can you tell when a slot machine will hit_ Just to be clear, you can run a PCIe SSD in a PCIe slot , it just runs at PCIe speeds Which kind of negates the purpose