3s Poland: 3S Królewska

The 3S Królewska Data Center, located at 57 Królewska Street in Kraków, Poland, is operated by 3S Poland (a part of the 3S Group) and serves as a key carrier-neutral colocation facility in the southern Polish market.  The site’s central Kraków location offers access to local enterprise markets and fiber-optic network infrastructure, making it an attractive option for businesses seeking secure, scalable hosting and connectivity in the region.

⚙️ Facility Highlights

• The facility has a reported power capacity of ~1.44 MW, with dual independent feeds (2N) for power redundancy. 
• Cooling infrastructure is described as N+1 redundant, ensuring reliable temperature control even during component failure.
• The data centre supports flexible deployment options—from individual cabinets to private suites—within the operator’s broader Polish footprint of approximately 4,800 m² gross space across multiple sites.
• 3S Poland emphasises tailored colocation solutions integrated with its fibre-optic network backbone, providing both hosting and connectivity services.

🔐 Security & Compliance

• On-site security is active 24/7, including CCTV monitoring and biometric access or card-based access controls for restricted zones. 
• The facility operates under the standard frameworks and practices expected of modern colocation providers in Poland; 3S Poland as a group holds credentials and is recognized in the industrial colocation space. 
• Fire detection and suppression infrastructure is built into the design, aligned with professional data-centre standards (though specific certifications for this site are not publicly itemised in available sources).

🌐 Connectivity & Carrier Access

• The Królewska site is carrier-neutral, allowing tenants to choose from multiple network providers and interconnection options. 
• Given the operator’s ownership and operation of fibre-optic infrastructure, customers benefit from integrated access to 3S’s network services and multiple entry points into Poland’s digital infrastructure. 
• The Kraków location offers strategic access to southern Poland’s enterprise corridor and provides options for low-latency connectivity to markets in Central and Eastern Europe.

💼 Who It Serves

• Enterprises seeking reliable, regional colocation within Poland, especially in the southern market and Kraków region.
• SaaS or cloud service providers needing a base in Kraków with access to both hosting and connectivity options.
• Organisations requiring custom hosting environments—such as private suites, high-availability configurations or integrated network services.
• Businesses looking for Polish-based infrastructure where data sovereignty, regional support and proximity to central Europe matter.