SK hynix Prepares M15X Facility for HBM4 Production Amid Global Demand Surge
27. November 2025SK hynix has begun installing industrial machinery at its new M15X fabrication plant in Cheongju, North Chungcheong Province, marking a significant step toward ramping up high bandwidth memory (HBM) production in Korea. The M15X, an expansion of the existing M15 facility, is expected to become the company’s primary production center for HBM products. Construction is set to be completed within the year, with operations scheduled to begin in 2026. As part of the preparation, SK hynix has also transferred some of its staff from its Icheon headquarters to the Cheongju site. Industrial machinery usually requires KCs certification in order to be approved for import and sale in Korea.
This new facility is anticipated to strengthen SK hynix’s position in the competitive HBM market, especially as global demand continues to rise. The company has finalized mass production readiness for its latest HBM4 products and is in the final negotiation stages with Nvidia regarding supply agreements.
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