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Large-Scale Deployment of 800Gb/s Active Electrical Cables (AEC) in Meta Data Centers for AI Applications#

OCP Global Summit 2026 digest Program Core pick 12–15 October 2026

Abstract Recording

Jingyu Yu (Meta), Abhijit Chakravarty (Meta)

Play the recording: Large-Scale Deployment of 800Gb/s Active Electrical Cables (AEC) in Meta Data Centers for AI Applications

  • Why: Cabling is a first-order cost/power lever in AI clusters and rarely gets a full methodology talk; this covers multi-vendor qualification to volume production, which is the hard part.
  • What: Meta's qualification, validation, and deployment methodology for 800 Gb/s AECs (112 Gb/s/lane) in large-scale GPU clusters, spanning component characterization, environmental reliability, multi-vendor interoperability, system-level traffic validation, and manufacturing readiness across multiple suppliers and production sites (from abstract only).
  • How: Lab plus in-cluster validation of link stability, packet integrity, latency, and firmware compatibility; the program resolved signal-integrity, manufacturing-consistency, and firmware-interoperability issues to reach multi-sourced volume adoption.
  • Where applicable: Meta AI clusters but the qualification framework is general; AECs apply to short-reach in-cluster interconnect (rack-to-rack distances), as a power- and cost-efficient alternative to optics and passive DAC at 800G.