Published specificationsOperation announced
Colt Inzai Data Centre 4
Inzai City, Chiba Prefecture
Hyperscale facility in Inzai City where Phase 1 commenced operations in February 2025.
CapacityNot verified
Rack powerPhase 1: 4.8MW operational; approximately 20MW at completion
Cooling methodCRAH and chilled-water cooling.
Published specifications
- status
- operationalInzai 4 phase 1 · Operations commenced on 2025-02-26
- it capacity
- 4.8MWoperational phase 1 · Separated from the overall planned 20MW
Differences between published sources
- Although some parts of the official facility page still indicate it is under construction, the official opening announcement explicitly states the operational launch of Phase 1 with 4.8MW.
Notes
- The approximately 20MW capacity at completion has not been recorded as the currently operational capacity.
- Basis for final objective adoption: Confirmed the operational launch of Phase 1 (4.8MW) in February 2025 via Colt DCS official press release.
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SourcesPublic sources supporting this listing
- Source 1www.coltdatacentres.net/en-GB/press-releases/data-centres/2025/02/inzai-4-opening-ceremonyChecked 2026-09-23 (Source date Official opening announced on 2025-02-26)
- Source 2www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-asia/inzai-4Checked 2026-09-23 (Source date Official facility page as of 2026-09-23)