Architects' Tech Alliance
Oct 5, 2026 · Artificial Intelligence
AMD Helios Rack-Scale AI System: 72-GPU Architecture, UALink Interconnect & 2026-2027 Roadmap
AMD's Helios rack integrates 72 MI455X GPUs (CDNA 5, 2nm) delivering 2.9 EFLOPS FP4 and 31 TB HBM4, using open UALink/UALoE interconnect with 102.4 Tb/s aggregate bandwidth, directly challenging NVIDIA NVL72 while outlining a roadmap to 256-GPU pods by 2027.
AI InfrastructureAMD HeliosCDNA 5
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