SK Hynix has completed the development of HBM4 and is preparing for mass production.

South Korean chip maker SK Hynix stated in an email that the company has completed the development of the world's first HBM4 and is ready for mass production. The company's stock price rose over 5% at one point. Joohwan Cho, head of SK Hynix's HBM development department, said, "The completion of HBM4 development will be a new milestone in the industry." "By timely providing products that meet customers' needs in performance, energy efficiency, and reliability, the company will achieve its product launch target and maintain its competitive advantage." SK Hynix expects that after the product is deployed, AI service performance will improve by up to 69%, helping to address data bottlenecks and significantly reduce data center power costs.