The chip-maker SK Hynix has released HBM2E, its new storage standard. It is described as having up to 50% higher bandwidth at double the size compared to the previous generation. This new chip is aimed at uses in machine learning, AI and high-tier GPUs.
https://www.notebookcheck.net/SK-Hynix-announces-its-next-generation-world-s-fastest-high-bandwidth-memory.430239.0.html