Operational
Colocation
Liquid cooling
Tier III

NTT GDC Tokyo 7 Inzai

NTT GDC · Inzai

IT live
48 MW
Free to lease
4.8 MW
$ / kW·mo
$162
White space
200k ft²

Inventory

90% occupied

Power

48 MWlive

4.8 MW to lease · 43.2 MW in use

White space

200k ft²total

20k ft² free · 180k ft² occupied

19k m² · 1,858 m² free

Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.

Power

IT live48 MW
Free to lease4.8 MW
Utility feed60 MW
Campus / planned48 MW

About 12 MW of the utility feed is cooling, conversion, and house load.

Power cost

$162/kW·mo

17.8¢ industrial · 22.3¢ after PUE 1.25

Per MW·year
$1.9M
This site · 48 MW
$94M/yr
20 kW rack
$3,249/mo
3.2¢ cheapdear 22.4¢

5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $77M/yr less.

TEPCO Chiba · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2019
Renewable match
30%
Rack density
20 kW
PUE
1.251.00 ideal · 1.60 typical
Power source
TEPCO. Dual utility feeds. Seismically isolated (免震) building.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

20 kW

H100-eq

WUE

0.72 L/kWh

fleet avg · 2024 · 303k m³/yr at 48 MW

0 dry2.50 evaporative

Operator fleet average applied to this hall — not a site meter. NTT DATA GDC 2025 Sustainability Report (FY2024).

Hybrid CRAH plus CDU-fed direct-to-chip loops for high-density AI cabinets.

Network carriers

9

On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.

Clouds

5

Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.

Location

Inzai, Chiba, Japan

Inzai, Chiba

35.832°, 140.148° · Asia

Tenants / users

Hyperscale, AI clouds

Notes

Newest of the original NTT Inzai trio. High-density wholesale.

Operator site

Compiled from public filings, operator pages, and reporting. Not an official operator specification.