The manufacturer is promising 64 GB/s from a single GDDR6 package for future applications in artificial intelligence, networking, automotive, and of course, graphics. Example modules will be on display this week at the ISC 2018 conference in Frankfurt, Germany. These same chips will very likely target the next generation of consumer graphics cards.
https://www.notebookcheck.net/Micron-now-mass-producing-GDDR6-VRAM-modules-for-next-generation-Nvidia-Turing.310970.0.html