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BSS/OSS Academy

Inside the AI data centre · Compute hall

The Compute Rack

AMD Helios is AMD's answer to NVL72: 72 Instinct MI455X GPUs and 18 EPYC “Venice” CPUs in a double-wide Open Compute rack, joined into one scale-up domain over UALink on Ethernet. AMD publishes it as a reference design; OEMs build the racks.

AMD Helios rack, front and rear. Front, top to bottom: management and power (top-of-rack switch, RMC management software), nine compute trays, six switch trays, nine compute trays, power. Rear: scale-up fabric of four cable cartridges, with leak detection beneath.Management and powerCompute trays (upper bank)Compute trays (lower bank)Switch traysPower shelvesScale-up cable cartridgesLeak detection
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Image: AMD (Helios front and rear, Advancing AI 2026). Hotspots and views are ours.