AI Training Clusters Drive HBM Capacity Expansion
Hyperscale cloud operators expanded AI training cluster capital spending sharply through 2025, and high bandwidth memory demand tied to accelerator shipments grew even faster than the underlying compute hardware market itself. Producers announced a combined 40 billion dollars in new advanced packaging capacity investment across South Korea, Japan, and the United States to meet orders already booked years in advance. This capacity race is reshaping capital allocation priorities across the entire memory industry, pulling investment away from conventional DRAM lines that once absorbed the bulk of available capital expenditure budgets during a typical cycle.
Market Impact: AI infrastructure spend crossed 250 billion








