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NTT Chennai 2 Data Center Campus

Ambattur, Chennai, TN, IndiaPartially operational
Capacity
34.8 MW
Planned critical IT
Lead participant
NTT Global Data Centers India
Developer · Operator
Last updated
Aug 25, 2026
Most recent public record update

About NTT Chennai 2 Data Center Campus

NTT Chennai 2 Data Center Campus is one two-building campus; the 34.8 MW plan is separated from Building A's 17.4 MW operating capacity. NTT Chennai 2 Data Center Campus is located in Ambattur, Chennai, TN, IN and is a data center campus in partially operational status. Participants include NTT Global Data Centers India as developer, NTT Global Data Centers India as operator, Japan ICT Fund as investor, WEN Capital as investor. Published specifications include 34.8 MW of planned capacity, 17.4 MW of stated capacity, 17.4 MW of planned capacity. Development comprises Chennai 2A (operating), Chennai 2B (planned). Key milestones include Chennai 2B delivery date remains not publicly disclosed and NTT launches Chennai 2A and MIST cable system (2023-06-29). mist subsea cable — 200 Tbps: Greater-than 200 Tbps design capacity on an 8,100 km system; network capacity, not campus compute capacity. campus critical it load — 34.8 MW: 17.4 MW is live in Building A; the second 17.4 MW remains planned.

Capacity

Planned critical IT
Operating capacityAn operating IT-capacity figure has not been publicly disclosed.
Future Potential34.8 MWActual · NTT Chennai 2 Data Center Campus
Future Potential17.4 MWActual · NTT Chennai 2 Data Center Campus

Development

2 phases · 2 milestones
Chennai 2AOperational

First nine-storey building; 17.4 MW critical IT load and up to 2,500 racks.

1 building

Chennai 2BPlanned

Second nine-storey building; current location page retains future-language scope.

1 building

Jun 29, 2023
NTT launches Chennai 2A and MIST cable system
Completed
Chennai 2B delivery date remains public-research task

Infrastructure

FiberOperational

200 Tbps

Greater-than 200 Tbps design capacity on an 8,100 km system; network capacity, not campus compute capacity.

Electric GridPartially Operational

34.8 MW

17.4 MW is live in Building A; the second 17.4 MW remains planned.

Cooling SystemPartially Operational

Water-cooled systems, CRAC units and cold-aisle containment; building-level commissioning beyond 2A is unresolved.

Project map

0 of 1 project point mapped
Infrastructure facts
3
Mapped records
1
Capacity figures
2

No map point available

Power & interconnection: 1Cooling & water: 1Fiber & connectivity: 1

Facts & sources

Published claims and their source links.

8 facts
Campus Site Area
6 acres
Actual
Planned Building Count
2
Actual
Planned Campus Critical It Load
34.8 MW
Actual
Building B Planned Critical It Load
17.4 MW
Actual
Planned Rack Capacity
5,000 racks
Actual
Building Storeys
9 storeys per building
Actual
Mist Cable Length
8,100 kilometres
Actual
Mist Design Capacity Greater Than
200 Tbps
Actual