Operational
Colocation
Liquid cooling
Tier III

NTT GDC Yokohama 1

NTT GDC · Yokohama

IT live
16 MW
Free to lease
1.3 MW
$ / kW·mo
$161
White space
32k ft²

Inventory

92% occupied

Power

16 MWlive

1.3 MW to lease · 14.7 MW in use

White space

32k ft²total

2,560 ft² free · 29k ft² occupied

2,973 m² · 238 m² free

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

Power

IT live16 MW
Free to lease1.3 MW
Utility feed20 MW
Campus / planned16 MW

About 4 MW of the utility feed is cooling, conversion, and house load.

Power cost

$161/kW·mo

17.2¢ industrial · 22¢ after PUE 1.28

Per MW·year
$1.9M
This site · 16 MW
$31M/yr
80 kW rack
$12,857/mo
3.2¢ cheapdear 22.4¢

5.4× the cheapest market (Iceland Landsvirkjun). Same IT load there is $25M/yr less.

Japan industrial · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2009
Renewable match
25%
Rack density
80 kW
Voltage
PUE
1.281.00 ideal · 1.60 typical
Power source
TEPCO. Dual utility feeds. Seismically isolated (免震) building.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

80 kW

H100-eq

WUE

0.72 L/kWh

fleet avg · 2024 · 101k m³/yr at 16 MW

0 dry2.50 evaporative

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

High-density hall historically rated to 80 kW/rack. Hybrid plus liquid-ready cages.

Network carriers

7

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

Yokohama, Kanagawa, Japan

Yokohama, Kanagawa

35.443°, 139.638° · Asia

Tenants / users

Cloud, enterprise, HPC

Notes

NTT Communications Yokohama 1 — one of Japan's earliest high-density designs.

Operator site

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