CoreSite, a subsidiary of American Tower renowned for powering critical business and AI workloads through its interconnected data center solutions, has introduced native 400 Gbps (400G) Amazon Web Services (AWS) Direct Connect at its Chicago data center campus. This upgrade positions CoreSite as a prime hub for high-bandwidth, performance-intensive workloads, including enterprise applications, AI-driven solutions, and GPU-optimized neocloud platforms designed for large-scale AI training, inference, and agentic automation.
“Enabling native 400G AWS Direct Connect at CoreSite’s Chicago campus gives our customers the unique ability to establish low-latency, high-bandwidth data pipelines that deliver consistent performance, enhanced security and seamless integration,” said Juan Font, President and CEO of CoreSite and SVP of American Tower.
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Transitioning to 400G connectivity offers substantial benefits for CoreSite’s clients across data-intensive industries. For example, a leading cybersecurity provider is already leveraging AWS 400G Direct Connect to process massive volumes of data efficiently and accelerate real-time threat detection. Similarly, financial services firms are evaluating the new 400G infrastructure to achieve the speed and reliability required for latency-sensitive trading and quantitative research.
Font added, “The AI economy developing within CoreSite’s data centers demands a high-level of interoperability between enterprises, AI applications, neoclouds and public cloud providers. Enabling native 400G AWS Direct Connect at CoreSite’s Chicago campus gives our customers the unique ability to establish low-latency, high-bandwidth data pipelines that deliver consistent performance, enhanced security and seamless integration across their digital environments.”
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In addition to introducing 400G AWS Direct Connect, CoreSite’s Chicago campus provides dense fiber access and high-density colocation capacity. These features allow businesses to accelerate hybrid IT modernization initiatives and operationalize AI workloads at scale. By leveraging direct interconnection, clients can achieve up to 70% in data replication savings and eliminate data egress costs when restoring data from certain local cloud availability zones.
With this latest expansion, CoreSite now operates three data center campuses offering 400G AWS Direct Connect, including Chicago, Illinois; Santa Clara, California; and Reston, Virginia. These strategic locations enable enterprises to maximize performance, security, and cost efficiency while supporting the rapidly growing demands of AI and high-performance computing workloads.
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