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

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…