Vaultica: MIL01 (Milan – Siziano)

The MIL01 Data Center is a major carrier-neutral colocation and hyperscale campus operated by STACK Infrastructure (also referenced as STACK EMEA – Italy) and located in Siziano, Province of Pavia, Lombardy, Italy. Positioned just south of Milan, this campus forms part of Italy’s fastest-growing digital infrastructure region, benefitting from proximity to major fiber routes, national and international connectivity corridors, and Milan’s economic and enterprise ecosystems.

⚙️ Facility Highlights

Campus Composition

1. The MIL01 campus consists of multiple data center buildings, including at least MIL01A and MIL01B, forming part of a broader STACK Milan campus totaling approximately 10 hectares (100,000 m²).
2. Originally developed from the former Switch SUPERNAP Italia site, the campus was acquired and rebranded by STACK Infrastructure in March 2022 as part of its European expansion.

Operational & Sustainability Design

1. The campus — including MIL01 facilities — is designed for high availability and resilience with infrastructure suitable for enterprise and hyperscale customers.
2. 100% renewable energy usage across MIL01A and associated campus buildings through a mix of renewable procurement and onsite resources such as solar panels.
3. Rapid construction and deployment methodology demonstrated by development of MIL01 facilities in approximately one year.

🔐 Security & Compliance

1. Physical Security: 24/7 monitoring with specialized personnel, secure perimeter fencing, dual-factor access systems, and biometric entry for critical internal zones (reported for the campus).
2. Fire Protection & Environmental Controls: Comprehensive environmental monitoring, cooling controls, and climate management — specifics for MIL01 are part of campus design but not broken out individually in public sources.

Certifications (MIL01A as proxy for campus compliance):

The following industry certifications are associated with MIL01A at the STACK Milan campus and likely reflect overall campus compliance posture; facility-specific certification scopes and certificate numbers are not publicly disclosed.

1. ISO 9001 – Quality Management System
2. ISO 14001 – Environmental Management System
3. ISO 27001 – Information Security Management
4. ISO 50001 – Energy Management System
5. PCI DSS – Payment Card Industry Data Security Standard
6. SOC 2 – Service Organization Control

🌐 Connectivity & Carrier Access

1. Carrier-neutral connectivity enables customers to interconnect with multiple network providers and transit pathways across Milan and northern Italy.
2. The MIL01 campus is part of Italy’s broader fiber ecosystem connecting to key nodes including Milan internet exchanges (e.g., Milan Caldera / MIX) via extensive fiber infrastructure established through the campus and public fiber networks.
3. Cross-connect services and multi-carrier access are implied by standard STACK campus operations and confirmed carrier presence in MIL01A data listings.

💼 Who It Serves

The MIL01 campus supports a wide range of customers, such as:

1. Enterprises and multinational organizations requiring robust colocation in Italy’s primary economic region.
2. Cloud, SaaS, and managed-service providers deploying regional infrastructure with high-availability and connectivity requirements.
3. Telecommunications operators and network providers establishing points of presence near Milan.
4. Customers implementing hybrid IT, disaster recovery, and multi-site architectures connecting northern Italy with rest of Europe.