AMD’s Helios puts 72 GPUs and 31 terabytes of HBM4 in one rack. It is AMD’s answer to Nvidia’s NVL72.

The Next Web
By Darius PopaJul 20, 2026, 11:25 am106 pts
AMD’s Helios is a single rack containing 72 Instinct MI455X GPUs, 31 terabytes of HBM4 memory, and 2.9 exaflops of FP4 inference compute. It is AMD’s first rack-scale AI system and its direct answer to Nvidia’s Vera Rubin NVL72. The system uses 18 compute trays, each holding four MI455X accelerators on…

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