While some of the largest and most complex data centers belong to well-known internet giants like Facebook, Google, and Amazon, there are even larger facilities owned by companies you may never have even heard of.

1. BY RARITAN® | THE LEADER IN DCIM
Has a backup of 53 generators
Atlanta, GA
Google’s massive data centers are located in
13 locations around the world.
2000
2014
i/O’s Phoenix based data center is a
538,000 sq ft server farm backed by
Responsible for approximately 01% of global energy usage.
(enough to continuously power 200,000 homes)
1954
The world’s largest social network stores about 100 petabytes of data for it’s approximately
1 billion users which is cooled by a natural airflow system.
Dublin,
Ireland
YB ZB
Chicago, IL
Sources:
http://www.forbes.com/pictures/fhgl45ijg/switch-supernap/
http://www.globaldots.com/behold-largest-data-centers-in-the-world/
http://www.datacentermap.com/
http://www.supernap.com/supernaps.html
https://www.datacenterknowledge.com/archives/2009/01/06/chicagos-data-fortress-for-the-digital-economy/
http://www.forbes.com/sites/kashmirhill/2013/07/24/blueprints-of-nsa-data-center-in-utah-suggest-its-storage-capacity-is-less-
impressive-than-thought
http://www.wired.com/threatlevel/2012/03/ff_nsadatacenter/
http://www.makeuseof.com/tag/5-worlds-biggest-data-centers-stats-pics/
http://www.terremark.com/data-centers/north-america/nap-americas/
http://www.terremark.com/uploads/documents/TMRK-NOTA_02_Screen.pdf
http://www.datacenterknowledge.com/special-report-the-worlds-largest-
data-centers/worlds-largest-data-center-350-e-cermak/
http://www.digitalrealty.com/property-details/?propertyId=a028000000AXP9oAAH
http://investor.digitalrealty.com/Cache/1500055822.PDF?Y=&O=PDF&D=&fid=1500055822&T=&iid=4094311
http://www.datacentermap.com/usa/ohio/columbus/metro-data-center.html
http://metrodatacenter.com/
http://blogs.wsj.com/moneybeat/2013/10/14/io-data-centers-could-launch-ipo-in-december/
http://blogs.wsj.com/moneybeat/2013/10/14/io-data-centers-could-launch-ipo-in-december/
http://www.datacentermap.com/usa/new-jersey/edison/io-new-jersey.html
http://www.youtube.com/watch?v=P0qpiTddcxs&feature=youtu.be
http://www.datacenterknowledge.com/archives/2011/03/23/io-data-centers-opens-massive-nj-site/
http://www.datacenterknowledge.com/an-inside-look-at-phoenix-one-data-center/power-and-cooling-at-phoenix-one/
Bangalore, India
Washington
San Antonio, TX
润泽国际信息港
Range International Information Group
http://www.datacenterknowledge.com/an-inside-look-at-phoenix-one-data-center/the-worlds-largest-raised-floor/
http://www.datacenterknowledge.com/an-inside-look-at-phoenix-one-data-center/
http://www.datacenterknowledge.com/special-report-the-worlds-largest-
data-centers/largest-data-centers-io-data-centers-microsoft/
http://www.datacenterknowledge.com/special-report-the-worlds-largest-
data-centers/largest-data-centers-supernap-microsoft-dft/#supernap
http://www.datacenterknowledge.com/special-report-the-worlds-largest-
data-centers/largest-data-centers-ngd-terremark-qts/
http://www.datacenterknowledge.com/special-report-the-worlds-largest-
data-centers/worlds-largest-data-center-350-e-cermak/
http://www.techopedia.com/2/29345/enterprise/data-centers/infographic-the-worlds-10-largest-data-centers
http://www.8newsnow.com/story/17279265/game-changers
http://www.datacenterknowledge.com/archives/2011/01/25/ibms-china-cloud-project-exactly-how-big/
http://www.datacenterknowledge.com/archives/2014/02/13/new-data-
center-design-drives-efficiency-gains-dupont-fabros/
http://www.informationweek.com/infrastructure/data-center/5-data-center-trends-for-2013/d/d-id/1107963?
http://appleinsider.com/articles/13/03/25/apples-icloud-reigning-over-the-greenest-data-centers-on-the-planet
http://storageservers.wordpress.com/2013/07/17/facts-and-stats-of-worlds-largest-data-centers/
http://www.globalfoundationservices.com/posts/2013/april/17/10-earth-friendly-facts-about-microsofts-cloud-infrastructur
e.aspx
http://www.nowtheendbegins.com/blog/?tag=utah-data-center
http://www.theguardian.com/world/2014/feb/12/utah-lawmaker-nsa-data-centre-water-supply
Hebei province, China.
Scheduled for completion in 2016, Range is a massive 6.3m
2016 square foot data center in the Hebei province of China.
Nearly the same size as the United States Pentagon, Range will
serve as the IT infrastructure platform of Langfang Range Int’l
Information Hub in the Hebei Langfang Economic
Development Zone.
Range will also be used to support Langfang City’s development and
hosting for smarter transportation, e-government and administration
systems, as well as food and drug safety services.
This somewhat controversial data center is said to hold massive
amounts of data measured in relatively unheard of denominations
such as “yottabytes” and “zettabytes”.
While its purpose has not been officially stated, it is widely speculated that the
facility will be home to oceans of data gathered through various
telecommunications and internet surveillance efforts.
The world’s largest internet retailer
utilizes 450,000 servers in
7 locations around the world.
Around 40,000 are dedicated to
Amazon web services.
Microsoft’s Chicago and Dublin data centers are 700,000
square feet and 550,000 square feet respectively.
Chicago is comprised of 40 ft shipping
containers each with 2k servers requir-ing
8.5 million gallons of cooling fluid
for a capacity of 224,380 servers.
Dublin is considered the more environmentally
friendly of the two utilizing less than 1% of water
that traditional data centers use. Amazingly,
Microsoft Dublin does not use any cooling towers.
Also making the list are two of MS’s data centers in
Washington and San Antonio each taking up 470,000
square ft. and backed by hydroelectric power with 8
million gallons of water channelized through a
state-of-the-art recycling system.
TDC is dedicated to cloud and networking services while also used for colocation,
managed hosting and data storage.
Presiding over 1M square ft in
Bangalore India, Tulip is the world’s 3rd
largest data center spanning over 4
cities and producing up to a hundred
megawatts of electricity
One of the world’s most revered technology companies,
Apple processes around 2 billion iMessages per
day among it’s 250 million iCloud users via tens
of millions of Macs and an installed base of 500
million iOS devices.
Apple is almost exclusively reliant on
renewable energy and lays claim to the largest
private client of solar array installations.
Facebook processes 2.4B pieces of content and 500TB of
data each day.
renewable energy.
Phoenix, AZ
Miami, Florida
This 750,000 sq feet facility was constructed in
2001 and is a centralized infrastructure for over
183 networks.
Virginia
Scheduled to be completed in 2014,
AC7 is powered by 41.6 megawatts
of electricity with baseline power per
room at 1.486 MW.
Contains 28 large computer rooms
with each data hall accommodating
approximately 378 cabinets.
When first built, it was
originally used by a
government organization.
This 990,000 sq feet facility was
leased out to a telecom company
for IT operations.
Supported by 80 megawatts
of power capacity and is
looking at an investment
of $150 million
®
This 5 years old, 2.2M sq ft Nevada-based data center
resides in the Nevada desert and with virtually no risk
of natural disaster. It can hold 7k cabinets of servers
SwitchNAP is a group of seven NAPs
utilizing the switch wattage density modular
design (WDMD), allowing complete control
over the data center’s equipment.
SuperNAP 7 also makes the list powering 250 MW
of electricity through its 470,000 sq ft facility.
Las Vegas, NV
Rounding out the NAP category is NAP of the
Americas, a 750k sq ft Tier-IV facility with N+2
power cooled by 2000 tons of chilled water.
Utilizes 8.5 million gallons
of cooling fluid per year
World class tenants include:
Contains 130 properties
for a total of 23.9m rentable space with
2.8M sq. ft. held for development.
Chicago, IL
World’s Largest
Data Centers