Iron Mountain

Iron Mountain Data Centers is the data center business of Iron Mountain Incorporated and operates sites in the United States and Europe, with an India platform built through its partnership with Web Werks. In January 2018 it closed the acquisition of IO Data Centers, adding facilities in Phoenix and Scottsdale, Arizona, Edison, New Jersey, and Columbus, Ohio. In May 2018 it acquired EvoSwitch Netherlands, expanding into the Amsterdam market, and in 2019 it added capacity in Amsterdam and London. In India, Iron Mountain formed a joint venture with Web Werks in 2021 and in April 2025 it announced full ownership and a rebrand to Iron Mountain Data Centers India. Iron Mountain Incorporated was founded in 1951.

Iron Mountain Data Centers History:

  • In April 2025, acquired the remaining stake in Web Werks and rebranded the India business to Iron Mountain Data Centers.
  • 2021: Formed a joint venture with Web Werks to develop and operate data centers in India.
  • May 2018: Acquired EvoSwitch Netherlands, expanding into the Amsterdam market.
  • January 2018: Closed the acquisition of IO Data Centers’ U.S. operations.
  • 1951: Iron Mountain Incorporated was founded.

Iron Mountain Data Center Map

Iron Mountain Power Growth Over Time

+151% since 2022
Operational
Construction
Planned
Prospective
Land Bank
In Doubt
Currently Operational
across NN Request Dataset sites
Under Construction
NN Request Dataset sites currently building
Planned / Prospective
NN Request Dataset sites announced, but haven't started construction

Iron Mountain Locations

Iron Mountain: VA-4

Northern Virginia

Iron Mountain continues to grow it's Virginia campus at 11560 Hayden Rd, Manassas. VA4 is the fourth building on the Virginia campus over 165,000 sqft of space. The facility will house 32 MW of critical load on completion.

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Iron Mountain: CHN-1

Chennai

Two data centers with eight data halls each will offer nearly 800,000 square feet of AI-ready space, with on-site access to Tier 1 carriers and other connectivity and service providers.

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Iron Mountain Amsterdam AMS-1

Amsterdam

Originally built by EvoSwitch, Iron Mountain's AMS-1 campus is one of the largest carbon-neutral multitenant data centers in the Netherlands. Purpose-built from concrete and steel, the site has containerized modular suites to support a PUE of 1.2.

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Iron Mountain: AZP1

Phoenix

Iron Mountain acquired the site in January 2018 in a $1.34 Billion acquisition of IO Datacenter's operations in the United States which included 4 sites (Phoenix, Scottsdale, Edison New Jersey, and Columbus Ohio)

  • 41-acre Iron Mountain Hyperscale-Ready campus
  • 588,000 gross square feet
  • 32 MW – redundant feeds
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Iron Mountain Kansas Underground

Kansas City

Iron Mountain’s Kansas City data center (KCM-1) is a resilient, compliant and highly secure underground colocation complex located south of downtown Kansas City, Missouri. The underground data center is part of a 22-acre campus located 110 feet below the earth’s surface.

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Iron Mountain London LON-1

London: Slough

Strategically located in the Slough Trading Estate, LON-1 is a 183,000 SF colocation facility on Iron Mountain's 5.5-acre London data center campus. Enjoy close proximity to one of Europe's largest network ecosystems. The site was acquired in a sale-leaseback transaction with Credit Suisse

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Iron Mountain New Jersey

New Jersey

Iron Mountain NJE-1 is an 830,000 sq ft, 43-acre campus in Edison, NJ that opened in March 2011 as IO New Jersey in a former New York Times print plant. Iron Mountain acquired it in the January 2018 $1.34 billion purchase of IO Data Centers' U.S. operations and has built it out in phases to 20.8 MW of leasable capacity, fully leased. A 24 MW expansion is slated for Q1 2031. PSE&G serves the site; a 7.2 MW rooftop solar array and a 23 MWh battery system provide grid flexibility.

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Iron Mountain: VA-5

Northern Virginia

Iron Mountain continues to grow it's Virginia campus at 11560 Hayden Rd, Manassas. VA5 is the fifth building on the Virginia campus over 165,000 sqft of space. The facility will house 40 MW of critical load on completion.

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Iron Mountain VA-1

Northern Virginia

Announced in March 2016, Iron Mountain’s Manassas data center in Prince William County will include four buildings totaling 915,000 square feet and 60 MW of power. The campus is 83 acres.

  • VA-1, the first building on the campus, is a 165,000Sqft facility with 12.4 MW of power.
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Iron Mountain Data Center Photos See all

Iron Mountain Scottsdale Front Entrance
Source: http://www.ironmountain.com/resources/data-sheets-and-brochures/s/scottsdale-data-center
An illustration of Iron Mountain's new Phoenix data center, which will feature 48MW of capacity in two phases. First 24 MW is scheduled to be delivered in June 2019
Rendering of the Expansion building that is adjacent to Iron Mountain's existing facility
Source: Baxtel

An illustration of Iron Mountain's new Phoenix data center, which will feature 48MW of capacity in two phases. First 24 MW is scheduled to be delivered in June 2019

The expansion lot for Iron Mountain Phoenix campus is marked with a red box. IO Data Centers LLC originally acquired the land in 2016 for $8.55 million.
Expansion
Source: Baxtel

The expansion lot for Iron Mountain Phoenix campus is marked with a red box. IO Data Centers LLC originally acquired the land in 2016 for $8.55 million.

Iron Mountain Slough View From the North
Source: Iron Mountain
Bird's Eye View
Source: Iron Mountain
Entrance to Original Data Center
Source: Baxtel
Rooftop View
Source: AWP Architects
Customer Entrance
Source: AWP Architects
A key design feature is the innovative façade which is based upon the integration of energy efficient M&E equipment, maintenance accessibility and solar shading within the design of the building en...
Exterior Solar Shading
Source: AWP Architects

A key design feature is the innovative façade which is based upon the integration of energy efficient M&E equipment, maintenance accessibility and solar shading within the design of the building envelope.

Glass and Metal
Source: AWP Architects
The former Credit Suisse tier 4 data center is now run by Iron Mountain
Exterior View
Source: AWP Architects

The former Credit Suisse tier 4 data center is now run by Iron Mountain

NJE-1 from the Parking Lot
Source: Baxtel
Rendering of CHI-1
Source: Iron Mountain
Entrance to the Underground Data Center
Source: IRM
IRM BOS-1 Data Center
Source: IRM
Exterior of VA-1
Source: Baxtel
VA-1 Launch Event in September 2017
Source: WTOP
Entrance to the Underground Data Center
Source: IRM
The walls still have rock walls
NOC at WPA-1
Source: Baxtel

The walls still have rock walls

In this photo taken Dec. 14, 2016, overhead pipes carry water from an underground reservoir to help cool the data center systems at Iron Mountain's underground data center in Butler County, Pennsyl...
Overhead pipes carry water to cool the data center
Source: DARRELL SAPP, Pittsburgh Post-Gazette

In this photo taken Dec. 14, 2016, overhead pipes carry water from an underground reservoir to help cool the data center systems at Iron Mountain's underground data center in Butler County, Pennsylvania.

Delhi NRC DC1
Source: Web Werks
Electrical Room
Source: IRM
Cabling is done in the overhead trays
Source: IRM
Iron Mountain MAD-1 data center in Madrid
Source: Iron Mountain
Rendering of Iron Mountain's VA6 Data Center
Source: Iron Mountain
Proposed Site For Iron Mountain's Manassas Campus Expansion
Source: Baxtel
Rendering of Iron Mountain's MIA-1 Data Center in Miami
Source: Iron Mountain
Iron Mountain White Oak Tech Park in Richmond, Virginia
Source: Iron Mountain

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