What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3

PCIe x8 Gen3 pcie gen 4 in gen 3 slot The TS-432X features a PCIe Gen 3 x 4 slot, supporting a variety of expansion cards to maximize application versatility QM2 card QM2-2P2G2T Add two pcie 40 in pcie 30 slot Hi there, I'm trying my first build and I bought a samsung 980 PCIe NVMe SSD which is a PCIe Gen x4, NVMe interface

pcie 3 slot And, I also tested the performance gain when connect PCIe gen 4 onto gen3 slot