Operational
Colocation
Liquid cooling
Tier III

MC Digital Realty NRT12

MC Digital Realty · NRT Inzai

IT live
34 MW
Free to lease
3.4 MW
$ / kW·mo
$159
White space
142k ft²

Inventory

90% occupied

Power

34 MWlive

3.4 MW to lease · 30.6 MW in use

White space

142k ft²total

14k ft² free · 128k ft² occupied

13k m² · 1,316 m² free

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

Power

IT live34 MW
Free to lease3.4 MW
Utility feed42.5 MW
Campus / planned34 MW

About 8.5 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 · 34 MW
$65M/yr
20 kW rack
$3,171/mo
3.2¢ cheapdear 22.4¢

5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $53M/yr less.

TEPCO Chiba · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2024
Renewable match
45%
Rack density
20 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

20 kW

H100-eq

WUE

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

GPU-ready wholesale. ~4,000 racks, 34 MW IT, seismic isolation.

Network carriers

9

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

Clouds

6

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

Location

Inzai, Chiba, Japan

NRT campus, Inzai, Chiba

35.836°, 140.152° · Asia

Tenants / users

Hyperscale, AI, cloud

Notes

Second NRT building. Combined NRT10+12 = 73 MW before NRT14.

Operator site

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