INDUSTRY ANALYSIS

Active optical cables (AOC) analysis

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English edition 2026-10-29 · Updated 2026-10-29

NVIDIA Vera Rubin’s “Cable-Free” Design: Three Interconnect Layers and a Changing Supply Chain

Claims that “Vera Rubin computers do not use optical cables” conflate cable-free modular compute trays with the rack’s NVLink 6 copper backplane.

Active optical cables (AOC)Copper-Clad LaminateCo-Packaged OpticsGPUs and AI AcceleratorsPassive fiber cables and patch cordsPrinted Circuit BoardsAI Servers