SK Hynix Invests $720 Billion in Global AI Memory Expansion

SK Hynix is investing $720 billion to establish the world's largest network of memory factories to satisfy extreme demand for high-bandwidth memory (HBM) driven by artificial intelligence. The expansion centers on South Korea, featuring the Yongin Cluster and infrastructure upgrades in Cheongju. This buildout aligns with a government initiative led by the President of South Korea to double national memory production within five years.

To finance the expansion, the company raised $26.5 billion through a Nasdaq listing in July. SK Hynix has secured 10 long-term customer agreements, including a $500 billion deal with Nvidia to ensure HBM supply and co-develop next-generation memory and data centers by 2027. To reduce reliance on commodity-based pricing and counter competition from China, the company is shifting toward custom HBM solutions.

Beyond its domestic efforts, the company is constructing a $4 billion packaging facility in West Lafayette, Indiana, which is expected to be completed by 2028.