Samsung HBM4 nears Nvidia approval as rivalry with SK Hynix intensifies for Rubin AI platform
Samsung is close to securing Nvidia certification for its HBM4 AI memory chips, entering final qualification phases after supplying initial samples in September. The company prepares for mass production in February, aiming to debut alongside Nvidia's Rubin AI platform at GTC 2026. Meanwhile, SK Hynix reports significant progress in its own HBM4 tests, setting up an intense competition between South Korean rivals.