Industry Analysis
SK Hynix’s HBM dominance stems from a precise read of AI’s memory wall, triggering cascading effects: TSMC now prioritizes CoWoS capacity for HBM3E-integrated NVIDIA systems, while EUV tool allocation shifts toward 3D-stacked DRAM. Tightening U.S. export controls on advanced memory paradoxically deepen SK Hynix’s strategic lock-in with NVIDIA—but expose it to geopolitical friction, raising supply chain redundancy costs by over 15%. Samsung won’t stay idle; expect accelerated 3nm DRAM and LPDDR6 development, plus vertical integration via SK Group’s telecom assets. The next 18 months—before HBM4 standardization—will define SK Hynix’s pricing power. A breakthrough in TSV yield by Micron’s Taiwan, China fabs could disrupt this fragile lead.
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