Samsung bets on zHBM as 2.5D memory nears its limits

Samsung’s move toward zHBM signals the maturation of 2.5D memory architectures, prompting a cascade of upstream demand for EUV lithography and advanced packaging materials, while downstream AI data centers and servers will see immediate performance gains. However, geopolitical tensions, especially export controls on critical equipment, pose supply chain risks. Rivals like NVIDIA and AMD may accelerate in-house HBM development, intensifying competitive dynamics. Over the next 12–24 months, zHBM will become a pivotal battleground in AI compute supremacy, forcing industry consolidation and reinforcing new technical moats.