CoreSite launched native 400G Amazon Web Services Direct Connect at its Chicago data center campus, expanding ultra-high-bandwidth, low-latency cloud connectivity for enterprises, AI platforms, and GPU-optimized neocloud providers. The deployment targets performance-intensive workloads, including large-scale AI training, inference, and agentic automation, where deterministic throughput and latency to public cloud resources remain critical.
The Chicago campus now supports native 400 Gbps connectivity to AWS, complementing dense fiber access and high-density colocation designed for hybrid IT modernization. CoreSite reports that customers using direct interconnection can achieve data replication savings of up to 70% and avoid certain cloud data egress costs when restoring data from local availability zones, improving the economics of data-intensive operations.
With the Chicago rollout, CoreSite now offers 400G AWS Direct Connect at three campuses—Chicago, Santa Clara, and Reston—positioning these metros as high-capacity on-ramps between enterprise infrastructure, AI-focused neoclouds, and public cloud services. Early use cases include cybersecurity platforms processing large telemetry volumes and financial services firms evaluating 400G for latency-sensitive trading and quantitative research.
- Native 400G AWS Direct Connect now available at CoreSite’s Chicago campus
- Designed for AI training, inference, and high-bandwidth enterprise workloads
- Supports hybrid IT with dense fiber and high-density colocation
- Customers can reduce replication costs and limit data egress expenses
- 400G AWS Direct Connect now live in Chicago, Santa Clara, and Reston
“The AI economy developing within CoreSite’s data centers demands a high level of interoperability between enterprises, AI applications, neoclouds and public cloud providers,” said Juan Font, President and CEO of CoreSite and SVP of American Tower. “Enabling native 400G AWS Direct Connect at CoreSite’s Chicago campus gives our customers the ability to establish low-latency, high-bandwidth data pipelines that deliver consistent performance, enhanced security, and seamless integration across their digital environments.”
🌐 Analysis
The move reflects growing demand for 400G-class cloud interconnect as AI workloads drive sustained east-west and cloud-bound traffic growth. By expanding native 400G access to Amazon Web Services, CoreSite aligns its interconnection strategy with hyperscaler and neocloud architectures that increasingly rely on dedicated, high-capacity links rather than best-effort internet connectivity.
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