HBM share 55%

Allocation decision owned by SK Hynix · Samsung · Micron — shift wafer sites toward HBM and watch the drain reprice the stack.

HBM wafer allocation crowds out conventional DRAM and reprices the memory stack Hyperscaler AI capex NVIDIA-scale accelerators each demands HBM HBM3E/HBM4 stack sold out 2026 multi-year 1 GB HBM ≈ 3 GB DRAM DRAM wafer pool allocation = the constraint conventional DRAM supply marginal supply shrinks DRAM prices surge contract + spot cost passes through unevenly DDR5 RDIMM data center LPDDR smartphone DDR5/DDR4 PC GDDR7 GPU