Domestic Data Center Services

This page describes the basic information and specifications of the main facilities that provide KDDI's domestic data center services for corporate and business customers.

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With a wealth of reliable experience and advanced expertise, KDDI's domestic data center services provide powerful business support

Basic information and specifications

The basic information and specifications of the main data centers are described below.

TELEHOUSE TOKYO Tama 3 - Basic information and specifications

Building Location Tama, Tokyo
No. of available racks Approx. 1,300 racks
Construction Steel construction with base isolation system
Scale 5 floors above ground
Electrical facilities Power receiving system 66 kV main/stand-by power system
In-house power generators N+1 redundant configuration (continuous 48-hour operation possible with no additional fuel supply)
UPS N+1 redundant configuration (15-minute power supply)
  • Customization available
Power supply Max.: Rated 42 kVA (Effective 30 kVA) per rack
Avg.: Rated 21 kVA (Effective 15 kVA) per rack
Overall: 14 MW
Air conditioning facilities Air conditioning system Air-cooled module chillers with underfloor cool air delivery
Air conditioner configuration N+2 redundant configuration with UPS
Operation and security Operating framework Operator on duty 24 hours a day, year-round
Certification ISO27001 (ISMS) certified
Security Security gates, biometric authentication, IC cards, security cameras, and tailgating prevention system
Amenities Rest areas, conference rooms, customer operation rooms, nap rooms, shower rooms, and staging rooms

TELEHOUSE OSAKA 2 - Basic information and specifications

Building Location Chuo-ku, Osaka City, Osaka
No. of available racks Approx. 700 racks
Construction Steel construction with base isolation system
Scale 20 floors above ground
Electrical facilities Power receiving system 77 kV main/stand-by power system
In-house power generators N+1 redundant configuration (continuous 48-hour operation possible with no additional fuel supply)
UPS N+1 redundant configuration (15-minute power supply)
  • Customization available
Power supply Max.: Rated 30 kVA (Effective 20 kVA) per rack
Avg.: Rated 15 kVA (Effective 10 kVA) per rack
Overall: 6.6 MW
Air conditioning facilities Air conditioning system Air-cooled module chillers with underfloor cool air delivery
Air conditioner configuration N+2 redundant configuration with UPS
Operation and security Operating framework Operator on duty 24 hours a day, year-round
Certification ISO 27001 (ISMS) certified
Security Security gates, biometric authentication, IC cards, security cameras, and tailgating prevention system
Amenities Rest areas, conference rooms, customer operation rooms, nap rooms, shower rooms, and staging rooms
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