STT Tokyo 1 Inzai
STT GDC · STT Tokyo
- IT live
- 32 MW
- Free to lease
- 3.2 MW
- $ / kW·mo
- $159
- White space
- 114k ft²
Inventory
90% occupiedPower
32 MWlive
3.2 MW to lease · 28.8 MW in use
White space
114k ft²total
11k ft² free · 103k ft² occupied
11k m² · 1,062 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 8 MW of the utility feed is cooling, conversion, and house load.
Power cost
$159/kW·mo
17.8¢ industrial · 21.7¢ after PUE 1.22
- Per MW·year
- $1.9M
- This site · 32 MW
- $61M/yr
- 25 kW rack
- $3,963/mo
5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $50M/yr less.
TEPCO Chiba · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2025
- Renewable match
- 40%
- Rack density
- 25 kW
- 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
25 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
35.844°, 140.164° · Asia
Tenants / users
Hyperscale, cloud
Notes
STT GDC's first Japan hall, Q2 2025. Campus targeting 70 MW with Tokyo 2.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.