PCIe 5.0
5th-gen PCI Express — 32 GT/s per lane.
PCIe 5.0 doubles the bandwidth of PCIe 4.0 (32 GT/s per lane vs 16 GT/s). Consumer platforms since 2022 (LGA1700, AM5) support it. In 2026, Gen 5 NVMe SSDs routinely hit 14 GB/s reads; GPUs use Gen 5 x16 even though few are bandwidth-bound by Gen 4.