IIJ Shiroi DCC
Internet Initiative Japan Inc. · Shiroi · Tokyo Metro · Japan
- Design resilience tier
- III
- Redundancy (as published)
- UPS: N+1 redundant configuration, three-phase four-wire; incoming power method: extra-high-voltage loop supply; emergency generators: generation fuel reserve of 72 hours or more (at maximum load); air conditioning: redundancy and outage protection based on an N+1 configuration (document 2019-12-19); power transmission routes to the server racks are redundant via different paths (document 2019-12-19)
- Security
- 24/7 on-site security
- Year built
- 2019
- Rack density
- 20 kW
Platform reviewed · 26 Sept 2026 · Recent
- Density (as published)
- Power supplied (housing service, per rack): 230V30A as standard, 100V30A also available on request. *Expandable up to approx. 20kW per rack (press release 2023-07-03, phase 2 building); standard power density per rack 6kVA (menu.html); fully equipped with power distribution able to withstand high-load racks of the 20kVA/rack class (floor standard 6kVA/rack) (document 2019-12-19)
- Cooling
- Air cooling, Free cooling
- Availability
- Availability on request
Imported · Recorded 08 Jun 2026 · Not recent
- Cross-connect
- On request
- Renewable power
- Renewable, share not published
- Design PUE
- Design PUE 1.2 to 1.4
- PUE note
- Annual average PUE of 1.36 for the campus in 2023.
- Services
- Colocation and connectivity
- Certifications 3
- ISO 27001ISO 14001FISC Security Standards
Location
View on the full map · Elevation 22 m above sea level
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