MIRAIT ONE Corporation

Mirait's Osaka No.1 Data Center is one of the largest colocation facilities in the city, strategically located near central Osaka for easy access via multiple rail and road networks. The eight-story steel-framed building features seismic isolation technology and flood protection, ensuring resilience against natural disasters.

The facility offers up to 14,000 kW of server power capacity and houses approximately 2,500 racks across five dedicated server floors. It supports high-density deployments with a floor load capacity of 1,500 kg/m² and a ceiling height of 4.8 meters.

Power infrastructure includes dual-feed systems from separate substations, N+1 gas turbine backup generators with 48-hour fuel autonomy, and UPS configurations scalable to N+2 or 2N redundancy. Cooling is provided by a water-cooled central system with free cooling capabilities, designed for energy efficiency with a target PUE of 1.4.

Connectivity is carrier-neutral with dual redundant fiber routes and direct links to Osaka’s Dojima IX hub. Security features include 24/7 staffed monitoring, biometric access control, and planned ISO 27001 certification.

MIRAIT Osaka No.1 Data Center

Construction of MIRAIT Corporation's Osaka data center started in 2017

Osaka No.1 Data Center started operations in June 2018

MIRAIT Osaka No.1 Data Center specifications and compliance data (certifications, standards, power/cooling capacity) for MIRAIT Osaka No.1 Data Center in Osaka.

Fully Built-Out Power	14 MW
Fully Built-Out Whitespace	1628 sq.m.
Total Building Size	8140 sq.m.

Full Cabinets
Partial Cabinets
Shared Rackspace
Cages
Suites
Build-to-Suit
Footprints
Remote Hands

CCTV surveillance
Biometric Access Control
Card Access Control
Onsite Security Staff	Yes, 24/7
Onsite Technical Staff	Yes, 24/7

Year Operational	2018
Building Floors	5
Max Floor Load	1500 kg/sq.m.
Floor to Ceiling Height	480 cm

MIRAIT Osaka No.1 Data Center

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UPS Redundancy	N+1
Cooling Redundancy	N+1
Standby Power Redundancy	N+1

Breakroom
Office Space