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Iron Mountain data centres
As of 16 October 2026, the Data Centre Register lists 39 data centres operated by Iron Mountain in 7 markets, with 476 MW of live IT capacity and 649 MW in the pipeline (124 MW under construction, 389 MW committed and 136 MW at an early stage).
Markets
| Market | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| United States | 23 | 362 | 453 |
| India | 8 | 28 | 75 |
| Spain | 1 | 3 | 76 |
| United Kingdom | 3 | 27 | 34 |
| Germany | 2 | 37 | 1 |
| Netherlands | 1 | 13 | 10 |
| Singapore | 1 | 7 | 0 |
Capacity by stage
| Stage | Sites | IT capacity |
|---|---|---|
| Live | 29 | 476 MW |
| Under construction | 3 | 124 MW |
| Committed | 6 | 389 MW |
| Early stage | 1 | 136 MW |
| Land banked | 0 | – |
| No capacity listed | 0 | – |
A site counts in the most advanced stage that has capacity listed. Pipeline is under construction, committed and early stage together.
Cities
| City | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Manassas | 6 | 138 | 50 |
| Sandston | 1 | 0 | 156 |
| Phoenix | 3 | 88 | 36 |
| San Fernando de Henares | 1 | 3 | 76 |
| Linton Hall | 2 | 76 | 0 |
| Slough | 3 | 27 | 34 |
Types of data centre
Iron Mountain has 39 colocation and 0 self-build data centres in the register. By category: Wholesale (31), Retail (7). Ready-for-service years listed run from 2002 to 2027.
See every Iron Mountain site on the map
The register has a record for each of these 39 sites: operator, address, coordinates, capacity by stage, ready-for-service year and sources. Sign in with Google for a free account: 5 full site records and 100 sites in lists a day. Pro (US$49 a month) opens 300 records a day, full query lists and Ask AI.
Frequently asked questions
- How many data centres does Iron Mountain operate?
- The Data Centre Register lists 39 data centres for Iron Mountain as of 16 October 2026: 29 live, 3 under construction, 6 committed and 1 at an early stage.
- What is Iron Mountain's data centre capacity?
- Iron Mountain has 476 MW of live data centre IT capacity listed, plus 649 MW in the pipeline, for 1,126 MW in total.
- Where does Iron Mountain have data centres?
- Iron Mountain's largest markets by IT capacity are United States, India, Spain, United Kingdom and Germany.
- Where does this data come from?
- The Data Centre Register at globaldcwiki.com is built from a register of data centre sites. Every proposed change is checked against outside sources and accepted by an admin before it appears. Figures were last updated on 16 October 2026.
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Last updated 16 October 2026. Cite as: Data Centre Register, "Iron Mountain data centres", https://www.globaldcwiki.com/operators/iron-mountain.