The H100 Hopper is Nvidia's first GPU with PCIe 5.0 specifications and support for HBM3 VRAM. This model is up to 6 times faster in FP workloads and offers considerably higher scalability compared to previous gen Ampere models. Nvidia is also planning to release a Hopper GPU + Grace CPU superchip and even a dual Grace superchip.
https://www.notebookcheck.net/Nvidia-unveils-H100-Hopper-compute-GPU-and-Grace-superchip-architectures.609352.0.html