CyrusOne SAT3 - San Antonio

SAT3 is part of CyrusOne’s data center campus in San Antonio, Texas, located off State Highway 151 in the Westover Hills area. This facility contributes to a combined 295,785 square feet of technical space across SAT2, SAT3, and SAT4, supporting high-performance computing (HPC) environments with densities reaching up to 1,000 watts per square foot in designated zones.

Engineered for resilience and uptime, SAT3 forms part of a 36-megawatt IT capacity campus powered by an 18MW distributed redundant configuration. Backup systems include eight diesel generators with 48-hour full-load runtime and 16 UPS systems with battery backup. The facility also features a closed-loop chilled water cooling system with N+1 redundancy and adaptive microprocessors for optimized airflow and cooling efficiency.

Security and compliance are core pillars of the design, with 24x7x365 onsite security, biometric scanners, mantraps, and VESDA early smoke detection. SAT3 meets rigorous certifications including SSAE 16, PCI DSS, HIPAA, ISO 27001, and TIA-942. Built to support enterprise-grade and mission-critical workloads, it provides a robust, scalable platform with sustainability-driven cooling infrastructure and customizable colocation options.