SK hynix plans to begin mass production of 12-layer HBM4 chips in the fourth quarter of 2025, supplying initial volumes to Nvidia once Rubin’s launch timeline and order size are confirmed.
Chip giant SK hynix has reported that its U.S. sales accounted for over 70 percent of its total revenue in the first quarter on rising demand for premium high bandwidth memory (HBM) chips from major U.S. tech companies.
