Cyllene SAS

Cyllene operates a network of sovereign French data centers designed for high security, regulatory compliance, and energy efficiency. With four Tier 3+ facilities located in the Paris region, the company offers over 1,500 sqm of hosting space, equipped with redundant power systems, continuous cooling, and advanced fire suppression. These sites maintain a service availability rate above 99.95%.

Security is multi-layered, combining biometric access controls, 24/7 surveillance, and intrusion testing. The infrastructure is physically compartmentalized and powered by dual 20kV utility feeds, high-efficiency UPS systems, and 500kVA hot-swappable generators.

Cyllene emphasizes sustainability through its “Green by Design” approach, prioritizing renewable energy contracts, cold corridor cooling, virtualization, and compliant waste management. The data centers are ISO 27001 and HDS certified, ensuring alignment with strict French and EU data protection laws.

Cyllene Nanterre

Cyllene

Cyllene Nanterre ecosystem overview - service providers, networks, cloud providers and more in Cyllene Nanterre (Paris).

Cyllene Nanterre

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Cyllene SAS

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