Micron announces industry leading HBM4 with 2.8TB/s bandwidth and 11Gbps pin speeds, claiming performance advantage over Samsung and SK Hynix.

source https://www.techradar.com/pro/micron-takes-the-hbm-lead-with-fastest-ever-hbm4-memory-with-a-2-8tb-s-bandwidth-putting-it-ahead-of-samsung-and-sk-hynix