According to Satya Nadella, Microsoft has deployed a supercomputing cluster utilizing NVIDIA GB300 GPUs, featuring over 4600 GPUs and next-generation InfiniBand connectivity (source: Satya Nadella on Twitter). This marks a significant milestone in AI infrastructure, as Microsoft plans to scale up to hundreds of thousands of GB300s across its data centers. The company is rethinking every layer of its tech stack—spanning silicon, systems, and software—to meet the demands of next-generation AI workloads. This move positions Microsoft to lead in training large-scale AI models and accelerates the adoption of generative AI applications for enterprise and research markets.