PCIe 3 vs 4 for Gaming GPUs and SSDs

As with previous generations, the standard simply doubles the speed that the PCIe slot runs at It now provides about 2GBs per lane

It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

pcieslot PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1 SSD Slots 5 x EZ-Latch：PCIe Slot with Quick Release Design; Fast Networks：GbE LAN

pcie slot configuration gen1 gen2 gen3 PCIe Gen 4 is the latest and fastest PCIe standard available on motherboards and compatible CPUs PCIe Gen 4 cards can accommodate the full bandwidth that