4th gen SSD on B450 motherboard?

Even though the PCIe 4 slot is backward compatible with the Gen 3 SSD, the fact that you're connecting it to a Gen 4 slot will not increase data

BUT you go buy the off brand no name cheaper 1TB Gen 4 NVME for lets say, 70$ (6-7K read

can you beat a slot machine Correct, it only caps the maximum bandwidth of the SSD, assuming the drive is capable of exceeding PCIe x4 speeds in the first place It

can you tell when a slot machine will hit_ The huge difference you get with PCIe Gen 4 is that it doubles the data rate of PCIe Gen 3, so PCIe Gen 4 SSD is able to transfer data at