NTT GDC Tokyo 5 Inzai
NTT GDC · Inzai
- IT live
- 40 MW
- Free to lease
- 4 MW
- $ / kW·mo
- $169
- White space
- 227k ft²
Inventory
90% occupiedPower
40 MWlive
4 MW to lease · 36 MW in use
White space
227k ft²total
23k ft² free · 205k ft² occupied
21k m² · 2,111 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 10 MW of the utility feed is cooling, conversion, and house load.
Power cost
$169/kW·mo
17.8¢ industrial · 23.1¢ after PUE 1.30
- Per MW·year
- $2M
- This site · 40 MW
- $81M/yr
- 12 kW rack
- $2,027/mo
5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $67M/yr less.
TEPCO Chiba · utility tariff × PUE, not colo list price.
- Redundancy
- 2N
- Opened
- 2013
- Renewable match
- 25%
- Rack density
- 12 kW
- PUE
- 1.301.00 ideal · 1.60 typical
- Power source
- TEPCO. Dual utility feeds. Seismically isolated (免震) building.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
12 kW
H100-eq
—
WUE
0.72 L/kWh
fleet avg · 2024 · 252k m³/yr at 40 MW
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
9On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
5Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Inzai, Chiba, Japan
Inzai, Chiba
35.828°, 140.142° · Asia
Tenants / users
Hyperscale, cloud, enterprise
Notes
Original NTT Inzai hyperscale building. Core of Japan's largest colo cluster.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.