Nvidia certifies ‘big three’ for HBM4, securing memory supply for Vera Rubin launch: report - SDxCentral

Nvidia has certified Samsung Electronics, SK Hynix, and Micron Technology as suppliers for its next-generation high-bandwidth memory (HBM4), securing supply for its upcoming Vera Rubin platform. This ... Read original →

Nvidia’s certification of Samsung, SK Hynix, and Micron for HBM4 isn’t just a supply hedge—it’s a strategic reconfiguration of the AI hardware stack. This move accelerates co-packaged optics (CPO) and silicon photonics integration in the Vera Rubin platform, pressuring upstream players like Coherent and Corning to scale optical interconnect yields. Geopolitically, sourcing from South Korea and the U.S. mitigates regional policy risks, yet 2028 delivery slippage reveals a systemic bottleneck in advanced packaging capacity. Rivals like AMD and Intel may be forced into HBM4E compromises or deeper investments in packaging partners in Taiwan, China. Within 18 months, an 'HBM4 certification barrier' will emerge: memory vendors without Nvidia validation risk exclusion from the AI server mainstream, driving unprecedented consolidation in the high-bandwidth memory ecosystem.