Commentary: What risks does China's DRAM capacity face amid tightening market?

The power axis in global memory is shifting from technology gaps to commodity DRAM pricing control. Once Chinese fabs push 16nm DDR5 yields past 85%, capacity coming online in 2025-2026 will erode the highest-margin standard-product segments sustaining Samsung, SK Hynix, and Micron. This triggers upstream DUV equipment order reallocation toward domestic substitution and OEM bargaining-power redistribution, not a simple supply increment. On compliance, EUV export restrictions cap China's node progression below 12nm, yet rare-earth and gallium-germanium controls raise overseas packaging costs. Dual-track supply chains now consume 8-12% of operating spend in compliance overhead. Strategic read: Samsung will likely cut commodity DRAM capex roughly 30% before 2026, reallocating toward HBM4. Micron leverages Idaho and New York fabs for policy tailwinds while differentiating on LPDDR5X in China. Beijing's playbook is transparent: use standard-product scale for cash flow, reinvest into HBM R&D. It is the 2014 panel volume-first script replayed in memory. 12-24 month outlook: a 15-20% downward shift in commodity DRAM price center is the base case; HBM supply gaps will not normalize before 2027. The real inflection is not capacity but whether China cracks TSV and hybrid-bonding for HBM packaging, determining whether the four-pole landscape is a volume war or a generational one.