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What is an 800G AOC cable? (2025)

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An 800G Active Optical Cable (AOC) is a high‑performance, fiber‑optic interconnect designed to support data rates up to 800 Gbps over short‑reach links (typically up to 100 m). Unlike passive copper cables, AOC cables incorporate optical transceivers integrated into the cable ends, enabling greater bandwidth, lower power consumption, and immunity to electromagnetic interference. 800G AOC Cable Key Features Data Rate : 800 Gbps (aggregate) Form Factors : OSFP (Octal Small Form‑factor Pluggable) and QSFP‑DD (Quad Small Form‑factor Pluggable Double Density) Reach : Typically 5 m to 100 m (depending on fiber grade and transceiver design) Connector Type : Integrated MPO/MTP multi‑fiber connectors Power Consumption : ~5 W per end (varies by vendor) How It Works Electrical‑to‑Optical Conversion Each end of the cable contains a miniaturized optical transceiver. High‑speed electrical signals from the switch or server are converted into optical pulses by laser diodes. ...