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.