SK Hynix commits $38 billion capex including $13.4 billion dedicated fab for HBM and enterprise NAND production in South Korea.

SK hynix is making one of the largest capital commitments in its history to maintain dominance in AI memory. The South Korean chipmaker's board of directors has approved a 54.3 trillion won (approximately $38.1 billion) investment to construct two massive new fabrication plants. The company is not gambling on temporary demand; rather, it views the current AI boom as a structural transformation that will require sustained capacity expansion.

The investment reflects SK hynix's conviction that memory has fundamentally shifted from a commodity component to critical infrastructure determining AI performance. The company cites data from market research firm Omdia, which projects that both DRAM and NAND demand will maintain a compound annual growth rate of 19 percent from 2024 through 2030. An SK hynix official stated: "This investment is a decision made to seize opportunities in line with the market's growth speed. By proactively securing production capabilities, we aim to establish ourselves as a key partner in AI infrastructure, contributing to the stability of the global AI semiconductor supply chain."

The company has allocated the investment across two South Korean production centers. The Yongin "Y2" fabrication plant will receive 35.2 trillion won (approximately $24.9 billion) and serve as a specialized DRAM mega-factory spanning 1.13 million square meters. This facility represents the second of four planned fabs for the Yongin Semiconductor Cluster. Construction will begin in July 2027, with the first cleanroom operational by June 2029 to produce high-bandwidth memory and next-generation DRAM products.

The Cheongju "M17" fabrication plant will receive 19.1 trillion won (approximately $13.2 billion) and focus on NAND flash memory production for enterprise solid-state drive storage. Construction is scheduled to begin in February 2027, with the first cleanroom reaching production capacity by December 2028.

By expanding both DRAM and NAND production simultaneously, SK hynix is positioning itself to supply the full range of memory infrastructure that AI systems require—from the high-speed memory AI accelerators demand to the storage capacity necessary for model training. The strategy prioritizes supply chain stability and market share over near-term consumer pricing, betting that structural demand for AI memory will sustain production levels for years to come.