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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Tokyo 4 Data Center

A data center located in Koto-ku, Tokyo. It is 3km away from Tokyo station and is accessible from several train stations.

A seismic isolation structured building that could withstand large scale earthquakes

This data center is equipped with seismic isolation devices that could reduce the impact of up to 80%, as well as anti-flood measures.

Seismic isolation structure

Building Foundation

Koto-ku area has a hard foundation 33 meters below the ground, the building is constructed with piles being driven into the said foundation

Seismic Isolation Structure

Two types of seismic isolation devices are equipped between the building and the piles.
Laminated Rubber: To support the building and shut off shakes
Laminated rubber with lead plug: To reduce the shake that reaches the building

A fully equipped security entrance for the server room

entrance for the server room

Server rooms are equipped with a capsule type security gates. To prevent tailgating, only one person at a time can enter the gate.

[Biometric device]
A highly reliable finger vein authenticating device is implemented inside the security gate.

General Specifications

Building Location Koto-ku, Tokyo
No. of stories 6 stories
Structure Seismic isolation
Floor Floor load 1,500kg/㎡
Floor specification Raised floor
Height 600mm
Power Receiving Main/Reserve line
Receiving voltage 66,000V
Emergency generator Gas turbine engine
Driving time without refueling 48 hours
UPS N+1configuration
Battery time 10 minutes
Cooling system Water cooling
Central heating system
Fire protection Nitrogen gas extinguisher
High sensitivity smoke detectors
Security IC Card
Security gate
Cctv monitoring

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