
AWS Unveils Trainium3 UltraServer, Teases More Powerful Trainium4 With Nvidia Support

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At AWS re:Invent 2025, Amazon Web Services introduced the Trainium3 UltraServer, featuring the new Trainium3 AI chip with enhanced performance and energy efficiency. The system supports up to a million chips, significantly increasing capacity. AWS also announced the upcoming Trainium4 chip, which will integrate Nvidia's NVLink Fusion, enhancing compatibility with Nvidia GPUs. This development aims to attract developers working with Nvidia's CUDA ecosystem.
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