Colt Tokyo Inzai 4
Colt DCS · Colt Inzai
- IT live
- 20 MW
- Free to lease
- 2 MW
- $ / kW·mo
- $161
- White space
- 83k ft²
Inventory
90% occupiedPower
20 MWlive
2 MW to lease · 18 MW in use
White space
83k ft²total
8,333 ft² free · 75k ft² occupied
7,742 m² · 774 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 5 MW of the utility feed is cooling, conversion, and house load.
Power cost
$161/kW·mo
17.8¢ industrial · 22.1¢ after PUE 1.24
- Per MW·year
- $1.9M
- This site · 20 MW
- $39M/yr
- 20 kW rack
- $3,223/mo
5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $32M/yr less.
TEPCO Chiba · utility tariff × PUE, not colo list price.
- Redundancy
- 2N
- Opened
- 2025
- Renewable match
- 35%
- Rack density
- 20 kW
- PUE
- 1.241.00 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
—
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
9On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
4Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Inzai, Chiba, Japan
Inzai, Chiba
35.827°, 140.143° · Asia
Tenants / users
Hyperscale, AI
Notes
Fourth Inzai building, 20 MW IT, hyperscale density.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.