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Iron Mountain AMS-1 Amsterdam Data Center

PRJ-0948 · Site · Haarlem, North Holland, Netherlands

Record last updated Oct 28, 2026

Scope and capacity

AMS-1 in Haarlem currently provides 13.1 MW and is almost fully leased. A 10 MW phase is under construction for Q2 2027 within a 43.1 MW full-build plan. Cartis publishes 13.1 MW as the current operating headline and keeps the construction phase and wider design potential separate; the SEC-reported $156.6 million expected Phase 4 investment is scoped to that expansion. Customer utilization, private contract terms and unreported project financing remain outside the verified public record.

Headline: 43.1 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Claims and exhibit sources

Jump to a claim (17)

Location context · AMS-1 | Haarlem | North Holland | NL

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 65714 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Lifecycle status · Partially operational

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 65715 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Reported capacity · 43.1 MW

Design · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 65716 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Capacity basis · Iron Mountain publishes 43.1 MW for the AMS-1 facility record boundary.

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 65717 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Location context · AMS-1 | Haarlem | North Holland | NL

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89065 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Lifecycle status · Partially operational

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89066 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Reported capacity · 13.1 MW

Design · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89067 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Capacity basis · 13.1 MW is current operating/leaseable capacity; 43.1 MW is the full build campus design and the next 10 MW is under construction for 2027.

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89068 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Operator or developer · Iron Mountain Data Centers

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89069 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Project location · Haarlem, North Holland, NL

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89070 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Current lifecycle · Operating or in phased operation

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89071 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Capacity classification · It load

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89072 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Capacity basis · 13.1 MW is current operating/leaseable capacity; 43.1 MW is the full build campus design and the next 10 MW is under construction for 2027.

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89073 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Customer utilization · Not publicly disclosed

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89075 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Source refresh date · 2026-08-29

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89077 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 facility profile

    Iron Mountain Data Centers · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3709 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Renewable energy matching · Operator states 100% matched renewable energy where applicable

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89078 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain AMS-1 current facility profile

    Iron Mountain Data Centers · Document date: Aug 29, 2026 · Primary

    Source reference: SRC-4949 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://digitalresourcecenter.ironmountain.com/data-centers/locations/emea/amsterdam-data-center

Sec capacity comparison · Q2 2026 leaseable and development schedules reviewed

Actual · Iron Mountain AMS-1 Amsterdam Data Center (Project)

Claim 89079 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Iron Mountain Q2 2026 supplemental financial information

    Iron Mountain Incorporated / U.S. SEC · Document date: Aug 6, 2026 · Primary

    Source reference: SRC-4950 · Regulatory record · Recorded authority: Official primary

    Source URL

    https://www.sec.gov/Archives/edgar/data/1020569/000102056926000068/q22026srpfinal.htm

Counterparties and capital

Iron Mountain Data Centers · Developer · CMP-1123

Investment commitment

$156,600,000 · Jun 30, 2026

SEC-reported total expected investment for the 10 MW AMS-1 Phase 4 expansion; not a facility valuation or debt instrument.

Iron Mountain Data Centers (Borrower)

Sources (1)

Financing record 183; claim-specific source links appear in the exhibit sources where published.

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.