Colt Inzai 4

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Inzai Bldg 4
Under Construction
New facility under construction
Operated by:

Colt Inzai 4

Year Built: 2025
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Gross Colocation Size

Colt Data Centre Services (Colt DCS) has begun construction of another building in Inzai, Tokyo, Japan. Known as Inzai 4 and set on a site area of 8,750 sqm (94,185 sq ft), the facility is already 100 percent pre-let.

  • The first phase became operational in 2025.

Map and Nearby Locations:

Inzai Bldg 4
Colt Data Centre Services Sites
Nearby Facilities

Sites within 15 miles of Colt Inzai 4

Distance Site About
0.10 miles MC Digital Realty-Inazi (NRT10)
0.17 miles MC Digital Realty: NRT14
Digital Realty’s NRT14 is a 31MW data center at its Inzai campus near Tokyo, marking the third building in the development and bringing the site to ~104MW as an AI-optimized facility that became operational in April 2026.
0.22 miles Hyperscale Data Center Request Dataset
0.22 miles Hyperscale Data Center Request Dataset
0.22 miles MC Digital Realty (NRT12)
NRT12 is designed to offer high-density power of up to 70kW per rack
0.25 miles Equinix TY12x
0.26 miles Equinix: TY13x
Equinix opened a new hyperscale data center, TY13x, in Tokyo, Japan in 2023. The facility is located in the Inzai region, adjacent to the existing TY12x data center.
0.32 miles Colt: Inzai 2
This facility is a part of Colt's Inzai campus in Tokyo.
0.32 miles Colt: Inzai 3
This facility is a part of Colt's Inzai campus in Tokyo.
0.33 miles Colt Tokyo Inzai
The Colt campus in Chiba was opened in 2011 and hosts three facilities
0.37 miles Hyperscale Data Center Request Dataset
0.54 miles Colt: Inzai 5
Colt is building Inzai 5 Campus on a 2.5 acre site in Chiba, Tokyo.
0.88 miles Goodman: Shirakami
The Shirakami Data Centre developed by Goodman Group is located in Inzai City, Chiba Prefecture, within the Goodman Business Park—a major data center cluster about 50 kilometers east of central Tokyo.
0.90 miles STT Tokyo 1
STT Tokyo 1 is the first of two buildings in STT GDC's data centre campus, supporting the demand for critical digital infrastructure in Japan.
0.91 miles Hyperscale Data Center Request Dataset
1.01 miles STT Tokyo 2
STT Tokyo 2 is the second of two buildings in STT GDC's data center campus
1.17 miles Carrier-Neutral Data Center Request Dataset
This facility is part of ADA Infrastructure's Tokyo East Campus in Tokyo.
1.23 miles Carrier-Neutral Data Center Request Dataset
This facility is part of ADA Infrastructure's Tokyo East Campus in Tokyo.
1.27 miles ADA: Tokyo East 1
GLP's data center subsidiary, Ada Infrastructure, plans to build a data center campus in East Tokyo, Japan, consisting of three four-story data center buildings.
1.44 miles IIJ: Shiroi DCC
Japanese internet and data center company IIJ is expanding its Shiroi data center campus, situated east of Tokyo in Shiroi City, Chiba Prefecture.
1.45 miles IIJ: Shiroi Bldg 4
This facility will be part of Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus.
1.46 miles IIJ: Shiroi Bldg 3
Dubbed "Phase 3," this expansion will add about 1,000 racks to Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus.
1.50 miles IIJ: Shiroi Bldg 2
This facility, located within Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus in Chiba Prefecture, provides space for 1,100 racks across 8,000 square meters (86,110 sq ft).
2.11 miles MC Digital: Tokyo Connected Campus @ Inzai
2.14 miles AirTrunk: TOK1 DC6
This planned facility is part of AirTrunk's Tokyo 1 campus in Japan.
2.16 miles AirTrunk: TOK1 DC7
This planned facility is part of AirTrunk's Tokyo 1 campus in Japan.
2.17 miles STACK TKY01
Stack Infrastructure completed their first Tokyo facility in 2024. The campus, situated in the Inzai District of Greater Tokyo, was developed collaboratively with IPI Partners and Oaktree Capital Management.
2.18 miles AirTrunk Tokyo TOK1
AirTrunk’s first data centre in Japan, AirTrunk TOK1 in Inzai near Tokyo, officially opened its doors in November 2021.
2.18 miles AirTrunk: TOK1 DC5
This planned facility is part of AirTrunk's Tokyo 1 campus in Japan.
2.19 miles STACK: TKY01B
This facility is part of Stack Infrastructure's first campus in Tokyo, Japan.
2.22 miles AirTrunk: TOK1 DC2
This facility is part of AirTrunk's Tokyo 1 campus in Japan.
2.22 miles AirTrunk: TOK1 DC3
This facility is part of AirTrunk's Tokyo 1 campus in Japan.
2.27 miles AirTrunk: TOK1 DC4
This planned facility is part of AirTrunk's Tokyo 1 campus in Japan.
3.81 miles NTT: Shiroi SHR1
The first data center on the campus, the Shiroi Data Center (SHR1) is expected to be completed by April 2027. The building will support AI, cloud computing, and the next generation of digital services.
4.13 miles ADA: Tokyo East 2
GLP's data center subsidiary, Ada Infrastructure, plans to build a data center campus in East Tokyo, consisting of six four-story data center buildings. The campus will feature an N+1 UPS distributed redundant and N+1 closed loop air-cooled chiller plant.
15.16 miles Colt: Yoshikawa B2
Colt Data Centre Services plans to develop Yoshikawa B2 data center, which is the second building of a 9.5-acre campus in Yoshikawa.
15.19 miles Colt: Yoshikawa B1
Colt Data Centre Services is developing Yoshikawa B1 data center, which is the first building of a 9.5-acre campus in Yoshikawa.
15.90 miles INAP Edogawa-ku
18.82 miles SoftBank: Tokyo 4
SoftBank Tokyo No. 4 provides a range of colocation services to businesses.
18.82 miles NTT TK9
18.92 miles NTT TK2
19.51 miles INAP Koto-ku
19.54 miles Empyrion: Tokyo JP1
The facility will be AI-ready, span 21,000 sqm across five floors, and will be Tier III carrier-neutral with secured power.
19.71 miles Flow Digital: TK8
This facility will be part of Flow Digital's Tokyo Data Center Campus.
19.76 miles Flow Digital: Tokyo TK7
APAC data center firm Flow Digital Infrastructure has started work on a new campus in Tokyo that will comprise two buildings—TK7 and TK8.

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In 2014, Colt entered the APAC region when it acquired KVH and its seven data centers in across Japan, Singapore, Hong Kong and South Korea.

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