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STT Tokyo 1

ST Telemedia Global Data Centres (STT GDC) · Inzai · Tokyo Metro · Japan

Design resilience tier
III
Redundancy (as published)
ANSI/TIA-942-C-2024 Rated-3 Certified · Designed to TIA -942 Rated-3 standard · Concurrently Maintainable · Distributed Redundant Uninterrupted Power Supply (UPS) · Dual intake of 66kV utility supplies · N+1 Gas Turbine Generators equipped with underground fuel tank providing up to 48hrs of support at full load · N+2 High Efficiency Air-Cooled Chillers with concurrently maintainable chilled water ring · N+2 Fan Wall Units (factsheet vApril2025)
Floor area
30,874 m² total building
Security
24/7 on-site security
Density (as published)
Achieves a high power density of an effective 8kW per rack, improving cost efficiency. (JP Tokyo location page and JP colocation page) | Built with a high-power density of up to 12kW per rack without supplemental cooling for improved cost efficiency. (EN Tokyo location page)
Power band
20–50 MW

Imported · Recorded 08 Jun 2026 · Recent

Cooling
Air cooling
Availability
Availability on request

Imported · Recorded 08 Jun 2026 · Not recent

Cross-connect
On request
Design PUE
Design PUE 1.2 to 1.4
PUE note
Design PUE below 1.25 as an annual average.
Services
Colocation and connectivity
Certifications 5
ISO 27001ISO 22301ISO 20000-1TIA-942LEED

Location

View on the full map · Elevation 24 m above sea level

Aerial view of STT Tokyo 1
Aerial view of the site. Imagery MapTiler, OpenStreetMap contributors.

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Data sources

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