Operational
Colocation
Liquid cooling
Tier III

SoftBank Frontier Tokyo

SoftBank · Tokyo

IT live
25 MW
Free to lease
1.8 MW
$ / kW·mo
$164
White space
78k ft²

Inventory

93% occupied

Power

25 MWlive

1.8 MW to lease · 23.3 MW in use

White space

78k ft²total

5,469 ft² free · 73k ft² occupied

7,258 m² · 508 m² free

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

Power

IT live25 MW
Free to lease1.8 MW
Utility feed31.3 MW
Campus / planned25 MW

About 6.3 MW of the utility feed is cooling, conversion, and house load.

Power cost

$164/kW·mo

18.4¢ industrial · 22.4¢ after PUE 1.22

Per MW·year
$2M
This site · 25 MW
$49M/yr
30 kW rack
$4,916/mo
3.2¢ cheapdear 22.4¢

5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $41M/yr less.

TEPCO extra-high voltage · utility tariff × PUE, not colo list price.

Redundancy
N+1
Opened
2023
Renewable match
40%
Rack density
30 kW
Voltage
PUE
1.221.00 ideal · 1.60 typical
Power source
TEPCO. Dual utility feeds. Seismically isolated (免震) building.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

30 kW

H100-eq

WUE

Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.

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

Network carriers

8

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

Clouds

7

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

Location

Tokyo, Tokyo, Japan

Takeshiba / Tokyo waterfront

35.655°, 139.755° · Asia

Tenants / users

SoftBank, AI, enterprise

Notes

SoftBank Frontier Tokyo — AI-oriented hall distinct from the IDC Frontier retail brand.

Operator site

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