Cisco Declares Co-Packaged Optics (CPO) Ready for Mass Deployment Amid Surging AI Data Center Demand

September 6, 2026

digitimes USA

Overview

Cisco announced that Co-Packaged Optics (CPO) has transitioned from a laboratory promise to a commercial necessity, as AI data centers confront critical power budget and bandwidth limitations. While the company anticipates the coexistence of pluggable modules, Near-Packaged Optics (NPO), and CPO, the maturity of CPO specifically holds the potential to fundamentally reshape how hyperscale infrastructure is built. Cisco’s stance underscores CPO’s readiness and strategic importance in AI-driven data center networking.

In Depth

Key Findings

Cisco announced that Co-Packaged Optics (CPO) technology has advanced beyond the laboratory and is now ready for mass deployment, marking a crucial transition to commercial viability as AI data centers grapple with escalating power and bandwidth constraints. This signifies a pivotal moment in the evolution of optical interconnects, aligning with the demanding requirements of the AI era.

Technical / Clinical Details

Cisco’s strategy for data center interconnects encompasses a multi-faceted approach, acknowledging the continued relevance of traditional pluggable optical modules, Near-Packaged Optics (NPO) where optical engines are positioned close to the switch ASIC, and CPO, which fully integrates the optical engine within the same package as the ASIC. CPO distinguishes itself by dramatically shortening the electrical trace lengths, minimizing power loss during data transmission, and significantly enhancing bandwidth density. This technology is recognized as one of the most efficient means to achieve the ultra-high-speed and massive data transfer rates required by AI workloads, particularly in hyperscale AI clusters performing hundreds of petaflops to exaflops of computation.

Background & Context

The rise of AI, especially large language models, has imposed unprecedented challenges on data center design and operation. Conventional copper cabling and pluggable optical modules face limitations in power consumption, cooling requirements, and physical footprint when facilitating communication between GPUs or within server racks. CPO has emerged as a radical solution to these issues, garnering significant interest from hyperscale data center operators like Microsoft, Google, Meta, Amazon, and AI chip vendors such as Nvidia. Cisco’s declaration of CPO’s readiness for mass production strongly indicates that this technology is moving from conceptual promise to tangible commercial deployment.

Strategic Significance & Outlook

Cisco’s announcement suggests that CPO is poised to redefine the construction of hyperscale data center infrastructure. In the future, CPO adoption is expected to lead to dramatic improvements in overall data center power efficiency, resulting in reduced operational costs and enhanced sustainability. Furthermore, higher bandwidth density will accelerate the scaling of AI compute capabilities, enabling the development of novel AI applications. As a leading network equipment vendor, Cisco’s active promotion of CPO will likely catalyze innovation across the entire supply chain and accelerate standardization efforts. This will drive the evolution of AI-era data centers towards more high-performance and environmentally friendly infrastructures.

Source: https://www.digitimes.com/news/a20260901PD213/cpo-cisco-demand-optics-commercial.html

Get our weekly technology intelligence — free

Receive an infographic that lets you judge at a glance whether each field’s analysis report is worth reading.

Subscribe Free — Weekly Tech Intelligence

By subscribing, you’ll receive Troy-Technical’s weekly technology intelligence newsletter.