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What is JII?

JII, formerly Japan Information Infrastructure K.K., is a Japanese company that designs, builds, and operates carrier-neutral data centers across Japan. The company provides colocation, hyperscale capacity, interconnection, and managed cloud services engineered for high-density computing and GPU clusters. Their facilities support N+1 redundant power, precision cooling, and liquid-cooling-ready halls for AI workloads and financial systems.

Who is JII's infrastructure designed for?

The company targets financial systems, public services, and AI workloads that require high density, security, and sustainability. They offer rack space, private cages, and build-to-suit campus options to accommodate different business footprints.

How does a business begin using JII's facilities?

Clients can start by moving in with a single rack or growing into a private cage, with on-site teams handling the rest of the setup. The company emphasizes local engineering expertise and scalability to meet the next decade of computing requirements.

What specific services does JII offer?

JII's services include secure, scalable rack and cage space backed by N+1 redundant power and precision cooling. They also provide purpose-built campuses for cloud and AI workloads, carrier-neutral access to major networks, and 24/7 monitoring from in-country operations teams.

What uptime guarantees and security measures does JII state?

The company highlights SLA-backed availability to keep critical systems running around the clock. Their security approach combines multi-layer physical access control, 24/7 surveillance, and on-site security staff to protect infrastructure at every layer.

Where are JII's data centers located and what areas do they serve?

The company operates facilities across Japan, with interconnection routes connecting to Tokyo, Osaka, and the wider region via low-latency routes to major carriers and internet exchanges.

How long has JII been operating and what is its formal legal name?

The business's own website states it was founded as Japan Information Infrastructure K.K. and continues to operate under that formal name while using the JII brand.

How can I contact JII?

You can reach JII by e-mail at [email protected].

What is the official website of JII?

The official website of JII is jii.center.

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About JII

JII, formally Japan Information Infrastructure K.K., is a Japanese company that designs, builds and operates carrier-neutral data centers across Japan. Its services include colocation, hyperscale capacity, interconnection and managed cloud, with facilities engineered to support high-density computing, N+1 redundant power, precision cooling and liquid-cooling-ready halls for GPU clusters. The company positions its infrastructure as a foundation for financial systems, public services and AI workloads. JII offers rack space, private cages and build-to-suit campus options, and emphasizes local engineering expertise, scalability, security, resilience and sustainability.

Website
jii.center