News Highlights Seoul, June 18, 2026 – SK hynix Inc. (or “the company”, www.skhynix.com) announced today that it has shipped samples of HBM4E, a next-generation DRAM for AI, to major customers. “The company was able to deliver samples of the 12-stack HBM4E on schedule thanks to its advanced HBM development and production expertise for HBM,” said SK […] The post SK hynix Ships Samples of 12-Layer Next-Gen ‘HBM4E’ first appeared on SK hynix Newsroom .