NRT Campus — MC Digital Realty ↗
Published Date unavailable · Retrieved 2026-10-09
Lists Inzai campus, three opened buildings, current server-power capacities and an expansion plan exceeding 120 MW IT.
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Japan / Site
MC Digital Realty NRT Campus
Unknown MWTotal facility power not establishedSee capacity evidence for reported claims.
NRTキャンパス · 首都圏NRTデータセンター
OperationalPlanned
Connected data-center campus with three opened buildings: NRT10, NRT12 and NRT14. Current operator information lists additional expansion beyond 120 MW IT capacity. Historical planned capacities differ from current building disclosures; no reconciled aggregate is proposed.
Last researched 2026-10-09Last verified Not independently verifiedPublished revision 1
No approved site photo yet. Photos and their source dates are published after evidence review.
Site profile
- Operator
- MC Digital Realty
- Ownership
- Unknown / not established
- Business model / scale
- Colocation / Unknown
- Region / metro
- Chiba Prefecture / Greater Tokyo
- City / locality
- Inzai
- Address
- Otsuka, Inzai City, Chiba; NRT10: 2-9-3 Otsuka; NRT12: 2-4-1 Otsuka; NRT14: 2-4-3 Otsuka
- Location
- Operator building addresses establish Otsuka, Inzai; campus boundary and representative point remain unresolved.
Precision: unknown - Parent
- Not assigned
Capacity evidence
Statements retain their dates, definitions and development scope. Do not add these rows together.
| Claim / measurement | Scope and status | As of | Evidence and accounting |
|---|---|---|---|
| 39 MW IT load | NRT10 server-power capacity Operational · incremental | 2026-10-09 | Reported claim ↗ Excluded from capacity totals. Undated current operator page; as_of is retrieval date, not commissioning or measurement date. |
| 34 MW IT load | NRT12 server-power capacity Operational · incremental | 2026-10-09 | Reported claim ↗ Excluded from capacity totals. Undated current operator page; as_of is retrieval date. Earlier construction announcement used 36 MW. |
| 25 MW IT load | NRT14 server-power capacity Operational · incremental | 2026-04-08 | Reported claim ↗ Excluded from capacity totals. Opening announcement date; differs from earlier maximum planned 31 MW. |
| ≈100 MW IT load | NRT Campus after NRT14 opening Operational · cumulative | 2026-04-08 | Reported claim ↗ Excluded from capacity totals. Opening release describes approximately 100 MW campus server power; this is not measured occupied load. |
| >120 MW IT load | Ultimate NRT Campus including additional development Planned · cumulative | 2026-10-09 | Reported claim ↗ Excluded from capacity totals. Undated campus page; as_of is retrieval date. Expansion target overlaps opened buildings and has no delivery date. |
| 31 MW IT load | Historical NRT14 maximum planned server power Planned · incremental | 2024-05-09 | Conflicting claim ↗ Excluded from capacity totals. Announcement date; explicitly a planned maximum, subsequently differing from 25 MW opening disclosure. |
| 104 MW IT load | Historical maximum campus capacity after NRT14 completion Planned · cumulative | 2024-05-09 | Conflicting claim ↗ Excluded from capacity totals. Announcement-date forecast, explicitly maximum; differs from approximately 100 MW opening description. |
| 36 MW Unspecified power | Historical NRT12 development announcement Under Construction · incremental | 2022-10-31 | Conflicting claim ↗ Excluded from capacity totals. Announcement headline capacity; basis retained as unspecified. Current campus page reports 34 MW server power. |
Development timeline
- 2019-06-05 · actual reported acquisition
Initial land acquired
Operator announced closing on a five-acre Inzai parcel for NRT10; release published June 6.
Supporting source ↗ - 2021-09 · actual opening
NRT10 opened
First NRT Campus building.
Supporting source ↗ - 2022-10 · actual construction start
NRT12 construction began
Operator announced construction of the second Inzai campus building.
Supporting source ↗ - 2024-03 · actual opening
NRT12 opened
Second NRT Campus building.
Supporting source ↗ - 2024-04-01 · actual construction start
NRT14 construction began
Construction-start date in operator project table.
Supporting source ↗ - 2025-12 · planned opening
Original NRT14 opening target
Historical target; actual opening subsequently announced in April 2026.
Supporting source ↗ - 2026-04-08 · actual opening announcement
NRT14 opened
Third NRT Campus building; announcement establishes opening by this date.
Supporting source ↗ - 2026-04-08 · actual opening announcement
Innovation lab opened in NRT12
DRIL in Japan established within NRT12.
Supporting source ↗
Disclosed specifications
Building floor areas
NRT10: 37,850 m²; NRT12: 27,571 m²; NRT14: 22,867 m²Operator campus-page gross floor areas; not summed into a campus area.
Source ↗Rack capacity
NRT10 approximately 4,800; NRT12 approximately 4,000Disclosed rack capacities, not occupied rack counts.
Source ↗NRT14 racks and density
Approximately 2,800 racks; colocation density up to 150 kW/rackOpening disclosure; maximum density is not a uniform campus density.
Source ↗NRT14 cooling
Hybrid liquid and air coolingOpening release describes support for high-density AI workloads.
Source ↗NRT14 renewable energy
Planned effective 100% renewable electricity for colocation data hallsScoped operator commitment; does not establish whole-campus physical renewable supply or independently verified performance.
Source ↗NRT14 building-area discrepancy
6,100 m² on Digital Realty facility page versus 22,867 m² gross floor area in opening releaseDefinitions or stale content unresolved; preserve both disclosures.
Source ↗NRT14 resilience and compliance
N+1 UPS and cooling; SOC2 and PCI-DSS listedOperator facility-page claims; certificates and audit scope were not inspected.
Source ↗Initial development land
Five acres, approximately 20,000 m²2019 acquired NRT10 parcel only; not established as current total campus land area.
Source ↗GLBB connectivity
GLBB Japan PoP; F::Xpress internet and dedicated linesJoint release dated April 9, 2025.
Source ↗JPNAP connectivity
NRT Campus connection point for JPNAP TokyoJanuary 2022 announcement targeted May 2022 service commencement; actual launch was not independently checked.
Source ↗Corporate structure
MC Digital Realty is a 50/50 Mitsubishi Corporation–Digital Realty joint ventureCorporate ownership does not establish current legal title to every campus parcel.
Source ↗Public business contact
marketing@mc-digitalrealty.comPublished product/services inquiry address; no contact made.
Source ↗Sources and references
Source attribution does not imply independent verification or permission to reuse images.
MC Digital Realty opens NRT14, third building at NRT Campus ↗
Published 2026-04-08 · Retrieved 2026-10-09
Announces opening in Japan, approximately 100 MW campus server power, NRT14 at 25 MW, hybrid cooling and colocation services.
MC Digital Realty begins construction of NRT14 ↗
Published 2024-05-09 · Retrieved 2026-10-09
Discloses April 1 construction start, planned December 2025 opening, maximum 31 MW server power and maximum 104 MW campus total.
NRT10 Data Center | 2-9-3 Otsuka ↗
Published Date unavailable · Retrieved 2026-10-09
Operator facility page identifies NRT10 at 2-9-3 Otsuka, Inzai-city, Chiba.
NRT12 Data Center | 2-4-1 Otsuka ↗
Published Date unavailable · Retrieved 2026-10-09
Operator facility page identifies NRT12 at 2-4-1 Otsuka, Inzai-city, Chiba.
NRT14 Data Center | 2-4-3 Otsuka ↗
Published Date unavailable · Retrieved 2026-10-09
Identifies NRT14 address; lists N+1 UPS/cooling, SOC2 and PCI-DSS, and 6,100 square metres as total building size.
GLBB Japan opens first Inzai-area PoP at NRT Campus ↗
Published 2025-04-09 · Retrieved 2026-10-09
Dated joint release establishes Greater Tokyo-area campus services, GLBB PoP, and MC Digital Realty's 50/50 Mitsubishi Corporation–Digital Realty ownership.
JPNAP Tokyo service launches at MC Digital Realty NRT Campus ↗
Published 2022-01-25 · Retrieved 2026-10-09
Multifeed announces NRT Campus connection point and planned service commencement in May 2022.
MC Digital Realty closes on five-acre land parcel in Tokyo ↗
Published 2019-06-06 · Retrieved 2026-10-09
Operator-issued release, datelined June 5, reports acquisition of approximately 20,000 square metres in Inzai for initial NRT10 development.
MC Digital Realty begins construction of 36 MW metropolitan-area data center ↗
Published 2022-10-31 · Retrieved 2026-10-09
Operator announcement describes NRT12 construction beginning in October 2022 with a 36 MW development claim.
MC Digital Realty opens innovation lab for AI infrastructure validation ↗
Published 2026-04-08 · Retrieved 2026-10-09
Announces DRIL in Japan inside NRT12 at the Inzai NRT Campus.
Profile field evidence
Name: NRT Campus — MC Digital Realty; MC Digital Realty opens NRT14, third building at NRT Campus
Aliases: NRT Campus — MC Digital Realty
Kind: NRT Campus — MC Digital Realty; MC Digital Realty opens NRT14, third building at NRT Campus
Country: MC Digital Realty opens NRT14, third building at NRT Campus; GLBB Japan opens first Inzai-area PoP at NRT Campus
Region: MC Digital Realty opens NRT14, third building at NRT Campus; NRT10 Data Center | 2-9-3 Otsuka; NRT12 Data Center | 2-4-1 Otsuka; NRT14 Data Center | 2-4-3 Otsuka
City: MC Digital Realty opens NRT14, third building at NRT Campus; NRT10 Data Center | 2-9-3 Otsuka; NRT12 Data Center | 2-4-1 Otsuka; NRT14 Data Center | 2-4-3 Otsuka
Metro: MC Digital Realty closes on five-acre land parcel in Tokyo
Address: NRT10 Data Center | 2-9-3 Otsuka; NRT12 Data Center | 2-4-1 Otsuka; NRT14 Data Center | 2-4-3 Otsuka
Operator: MC Digital Realty opens NRT14, third building at NRT Campus; JPNAP Tokyo service launches at MC Digital Realty NRT Campus
Business Model: MC Digital Realty opens NRT14, third building at NRT Campus; GLBB Japan opens first Inzai-area PoP at NRT Campus
Statuses: NRT Campus — MC Digital Realty; MC Digital Realty opens NRT14, third building at NRT Campus
Summary: NRT Campus — MC Digital Realty; MC Digital Realty opens NRT14, third building at NRT Campus; MC Digital Realty begins construction of NRT14
Location: NRT10 Data Center | 2-9-3 Otsuka; NRT12 Data Center | 2-4-1 Otsuka; NRT14 Data Center | 2-4-3 Otsuka
Stable identifier: 3aef23bf-877a-4c5a-bd28-993ad014b761