Tweaktown posted PCIe 4.0 has 64GB/sec bandwidth, PCIe 5.0 has 128GB/sec
A quote from the article:
PCI-SIG, the organization that defines the PCIe standard and its specifications with 730+ members across the world in the biggest countries on Earth including Qualcomm, NVIDIA, AMD, Dell, Intel, and many others - has announced the specifications for the PCIe 4.0 and PCIe 5.0 standards.PCIe 4.0 has 64GB/sec bandwidth, PCIe 5.0 has 128GB/sec @ TweakTown