NVIDIA is re-evaluating the High Bandwidth Memory (HBM) configuration for its upcoming Rubin Ultra GPU due to anticipated ongoing DRAM shortages extending to 2027. The company is considering lower HBM configurations, including HBM4e 8hi and HBM4 variants, as the validation progress for HBM4e 12hi faces uncertainties. This strategic shift is also being contemplated by other cloud service providers for their next-generation custom ASICs, reflecting broader industry concerns about memory supply. AI
IMPACT Potential impact on AI training and inference performance due to HBM supply constraints and configuration changes.
RANK_REASON Significant industry move related to AI hardware supply chain and component configuration decisions. [lever_c_demoted from significant: ic=1 ai=0.7]
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