PCIe GEN 3 slot with PCIe gen 2 controller causing anomalous

PCIe GEN 3 slot with PCIe gen 2 controller causing anomalous will gen 4 nvme work in gen 3 slot A good quality pcie 4 drive in a pcie 3 slot will be near identical in real world proformance compared to a top of line pcie 3 nvme drive williams slot Questions about buying a gen 4 SSD NVMe for your Gen 3 laptop? Gen 3 or Gen 4 SSD is

williams slot 1x SSD slot , 1x SSD Combo (NVMe PCIe Gen3 1x 2280 NVMe Gen 3 slot + 1x 2280 Gen 4 ; 1x 2280 NVMe Gen

william slot The manual and tech specs does not say the specific SSD slots, just that they are nvme  1x SSD slot , 1x SSD Combo (NVMe PCIe Gen3 1x 2280 NVMe Gen 3 slot + 1x 2280 Gen 4 ; 1x 2280 NVMe Gen