NEXTDC - S3 Sydney

S3 Sydney is an 80MW, Uptime Institute Tier IV certified data centre located in Artarmon, less than 10 km from the Sydney CBD. Designed and constructed to full Tier IV standards with operational sustainability Gold, S3 Sydney offers complete fault tolerance and industry-leading reliability for the most demanding mission-critical and regulated workloads. Its strategic location ensures exceptionally low-latency performance for applications serving NSW while enabling direct, native access to major public and private cloud platforms.

With more than 20,000 m² of technical space, S3 Sydney supports high-density environments and long-term digital transformation programs at scale. The facility is underpinned by ISO 9001, ISO 14001, ISO 27001, ISO 45001, SOC 1, SOC 2 and PCI-DSS certifications, delivering rigorous operational, security and environmental controls aligned with sovereign compliance requirements.

S3 Sydney forms part of NEXTDC’s interconnected Sydney campus, with seamless links to S1 Sydney and S2 Sydney enabling metro-redundant and active-active architectures within the same metropolitan region. This gives organisations the flexibility to scale across facilities, optimise workload placement and ensure sensitive data remains within Australia’s legal and regulatory perimeter.

For enterprises seeking maximum resilience, scalability and sovereign-ready performance, S3 Sydney sets a new benchmark for high-density, cloud-connected infrastructure in NSW.