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800G Active Cable (AEC): The New Engine for High-Speed Connectivity in Global Data Centers
Posted on 2025-10-30

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With the explosive growth in AI, cloud computing, and large-scale computing demands, global data centers are facing dual challenges of transmission rate and energy efficiency. Traditional optical modules and passive copper cables struggle to meet the high-bandwidth requirements of AI clusters, financial transactions, and cloud services due to cost, power consumption, and density limitations. By integrating Retimer/DSP chips, 800G Active Cables (AEC) achieve 800Gbps transmission rates while maintaining low power consumption and latency, emerging as a core solution for next-generation data center connectivity


Why 800G AEC Becomes the Key Choice?

●High Performance & Low Power Consumption

Utilizing PAM4 modulation and advanced process chips (e.g., 5nm DSP), 800G AEC enhances signal integrity while reducing power consumption by up to 40% compared to traditional solutions. For instance, JPC Connectivity's collaboration with MaxLinear on 800G AEC significantly improves energy efficiency in hyperscale data centers


Flexible Deployment & High Compatibility

Compatible with form factors like OSFP and QSFP-DD, and capable of splitting into multiple low-speed ports (e.g., 8×100G), 800G AEC adapts to various switch and server architectures. Simon's 800G DAC/ACC components improve management efficiency in high-density cabling through reduced cable diameter and bend radius


Cost Efficiency & Balanced Transmission Distance

For short-distance interconnections (e.g., within racks, ≤5 meters), 800G AEC is more cost-effective than optical modules and requires no additional power management


Global Applications: From Transnational Optical Networks to Regional Supply Chains

Transnational Data Hubs & Submarine Cables

In a transatlantic 8,500-km fiber test, 800G technology achieved 1Tbps end-to-end transmission, linking London and Chicago as financial hubs, demonstrating its potential for long-distance high-speed connectivity. The ADC submarine cable consortium in Asia-Pacific also adopted 800G solutions to enhance inter-regional data transmission capacity.


Industry Chain Collaboration & Standardization

The 800G supply chain technology seminar in Dongtai, China, gathered over 600 global manufacturers to promote collaboration in materials, connectors, and testing standards. The 448G Technology Prospect Conference further outlined the roadmap for next-generation copper cable development


Market Prospects & Future Trends

Demand Drivers & Scalability Growth

The 800G optical module market will exceed $3 billion by 2025. AI servers and GPU clusters (e.g., NVIDIA GB200) are expected to generate nearly $6 billion in new demand for high-speed copper cables.


Technology Evolution: Toward 1.6T & CPO

Co-packaged optics (CPO) and silicon photonics are expected to commercialize post-2025, further reducing power consumption. 800G AEC serves as a bridge for future 1.6T/3.2T architectures


Through high performance, low power consumption, and flexible deployment, 800G AEC is becoming the "invisible engine" for global data center upgrades. From transnational optical networks to regional AI clusters, it balances the trade-offs among speed, cost, and energy efficiency, laying the foundation for next-generation computing infrastructure. With global supply chain collaboration and technical standardization, 800G AEC will continue to drive the underlying revolution in the digital economy.


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