Rubin GPUs are now shipping with 8-Hi HBM4 at 9.6 Gbps instead of the earlier 12-Hi HBM4E stack, trimming bandwidth targets by roughly 13 percent across the board. Suppliers like Samsung and SK hynix are already prepping the revised parts for 2027 volume. Https://www.techpowerup.com/354133/nvidia-cuts-hbm4-speed-and-nvlink-bandwidth-targets-for-vera-rubin
22 likes00 dislikes11 comments
Comments · 1
HBM4 at 9.6 Gbps keeps the supply chain moving while the AI market keeps scaling.
