Data Center

NTT Communications' data center service "Nexcenter" provides colocation service that enables our customers to safely operate their critical ICT systems in our disaster-resistant and highly secure data centers.

Our data centers are directly connected to high-speed, low-latency networks which allows customers to seamlessly and flexibly connect to various cloud services, customers' sites, and etc., enabling smart operation and management of increasingly complex ICT environments. We protect your digital businesses and support DX strongly

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Global Site : NTT Ltd.

Tokyo 5 Data Center

This self-designed data center is the largest in Tokyo area.

Seismic isolation structured building that could withstand large scale earthquakes

A seismic isolation structured building that minimizes the impact to the building and its facility as well as to the customer’s equipment in an event of large-scale earthquakes.

 Building Foundation

Building Foundation

Piles are driven 20m below to a foundation that is twice stronger* than the required ground strength level for high rise buildings.
*A stronger ground with more than N value of 60 with according to its Standard Penetration Test

Seismic Isolation Structure

4 types of high-spec seismic isolation devices are equipped in building’s foundation. This reduces up to 1/3* of the impact to prevent equipment to malfunction

Convenient location

Convenient location

・ 10-minute drive from Tokyo station, and accessible by foot from several train stations.
・ 30-minute drive from Haneda international Airport
・ 60-minute drive from Narita International Airport
・ 2-minute walk from the nearest train station
・ 10-minute train ride from Otemachi station

General Specifications

Building Location Bunkyo-ku, Tokyo
No. of stories 16 stories
2 penthouse floors
Structure Seismic isolation
Floor Floor load 1,000kg/㎡
Floor specification Raised floor
Height 600mm
Power Receiving Main/Reserve line
Receiving voltage 66,000V
Emergency generator Gas turbine engine
Driving time without refueling More than 24 hours
UPS N+1configuration
Battery time 10 minutes
Cooling system Air cooling
Air cooling package
Fire protection Nitrogen gas extinguisher
High sensitivity smoke detectors
Security IC Card
Security gate
Cctv monitoring

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