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800G AI Fabric Wiring Guide infographic showing four cable types in a data center: DAC (passive copper, under 3m, 0W), ACC (active retimer, under 5m

1.6T upgrade

800G AI Fabric Wiring Guide: DAC vs ACC vs AEC vs AOC — Distance, Power & Breakout Decisions

Mar 17, 2026 Rajesh Shekhawat

Complete guide to selecting the right 800G interconnect technology for AI data centers. Compare DAC, ACC, AEC, and AOC specifications, learn the distance-first decision framework, understand mixed-fabric design patterns, and plan your 1.6T upgrade path with real deployment scenarios.