The Chicago Data Center Map Has 82 Sites

List of Chicago Data Centers:


Site name Gross SqFt Usable SqFt Power (MW)
1547 Chicago Midway Technology Centre 52,000 5.00
2299 Busse (CH2) Digital Realty 7.10
350 E Cermak - Digital Realty 1,133,391 100.00
360TCS-Lombard 16,000 10,000 3.00
365 Chicago 21,748 13,767 0.40
505 N Railroad Ave - Digital Realty 8.00
600 S Federal - Digital Realty 161,000 54,000 9.00
Ascent Chicago CH2 251,141 54.00
Ascent Chicago CH3 212,000
Atlantic Metro ORD0 20,000 4.20
Atlantic Metro ORD3 10,000 0.75
AT&T Chicago 130,000 77,916
BT Chicago
ByteGrid Chicago CH1 70,000 34,000 2.40
Cogent Chicago (427 S LaSalle) 2,711
Cogent Chicago (600 South Federal) 2,400
Cogent Chicago (Jackson)
Cogent Naperville 1,000
Colocation America CH1
Colocation America CH2
Colocation America CH3
Colo@ Chicago 1.50
ColoCrossing CH1 10,000 6,200
Continuum NCDC 603 80,000 40,000 6.00
CoreSite Chicago CH1 180,032 129,790 16.00
CoreSite Chicago CH2
CyrusOne Chicago Aurora CME 57.00
CyrusOne Chicago Lombard 14,000 9.00
Cyxtera Chicago CH2 142,346 8.50
Cyxtera Chicago CH4 41,073 15,000 3.40
Cyxtera Elk Grove CH3 163,747 65,000 17.60
Digital Capital Chicago 6,800 0.60
Digital Chicago Franklin Park Campus on Grand Ave - Digital Realty 60,000 31.90
DRT Chicago Campus (CH1/CH2/CH3) 548,766 87.60
Edgeconnex Chicago
Equinix Chicago CH1, CH2, & CH4 296,927 129,013 8.20
Equinix Chicago CH3 272,103 114,457 10.80
Equinix Chicago CH7 45,000 12.00
First Communications Chicago
GTT - 111 North Canal 5,000 2,700
GTT - 717 South Wells 20,000 15,000
InfoRelay Chicago
Iron Mountian Chicago
Level3 Chicago (111 North Canal) 57,847 22,750
Level3 Chicago (200 North LaSalle)
Level3 Chicago (600 South Federal)
Level3 Chicago (600 West Chicago)
Level3 Chicago (Arlington Heights)
Level3 Chicago (Broadview)
Level3 (was GX) Chicago 1,572
LexusNexis Oak Brook
Lightower Chicago 725 S Wells 6,500
Microsoft Chicago Northlake 700,000
NaviSite Chicago (Oak Brook) 16,750
Netrality Chicago: 717 S Wells 100,000
NetSource Chicago
QTS Chicago 134,000 48,000 24.00
QuadraNet Chicago
Rackspace Elk Grove ORD1 96,232 15.60
RagingWire Chicago CH1 245,000 16.00
ServerCentral CH1 18,000 11,500 2.60
Server Farm Oak Brook
Server Farm Realty 840 South Canal 20.00
SingleHop Chicago
Steadfast Chicago 350 E Cermak 16,000 2.00
Steadfast Chicago 725 Wells 30,000 5.00
Stream Chicago I 70,000 15.00
SunGard CHI-3100 25,000 900
SunGard Wood Dale (341) 44,520 26,000
SunGard Wood Dale (711) 150,000 85,000
SupraNet Chicago
T5 Chicago 12.00
telx CHI2 Chicago (600 South Federal) 10,143 10,143 0.35
TierPoint Chicago 25,000 2.00
US Signal Oakbrook
Verizon Chicago (Downers Grove) 45,000 15,000
XO Chicago 140 Dearborn
XO Chicago (Oak Brook) 2,700 0.99
XO Chicago (Swift Dr) 1,000 0.22
zColo Chicago 800 E. Business Center 65,000 16.00
zColo Chicago (840 S Canal) 23,000 2.00
zColo Latisys Chicago (Oak Brook) 147,000 51,000 17.00

Chicago is a popular location to build colocation and wholesale data centers. Five quick reasons to colocate a data center in Chicago:

  • Chicago is the 3rd largest metro in the United States
  • Nexus of connectivity options
  • Low risk of natural disasters
  • Low to moderate electric utility costs
  • Cooler climate

Chicago Data Center Market


The Chicago Data Center Market is one of the largest data center markets in the US. It is primarily split into 2 distinct markets: Downtown Chicago and Suburban Chicago.

Downtown Chicago Market

Downtown (also known as the Loop) consists of network dense facilities and financial trading deployments. Because of the urban environment, the data centers are tall multistory buildings usually retrofitted from an office tower or a warehouse. That's ok, warehouses have "good bones" because of the ability to support high floor weights and have taller ceilings than office towers.

Downtown Chicago also has higher network density as it is a nexus of networks for the Midwest region. Digital Reality maintains the Meet-Me-Room (MMR) at 350 E Cermak (Lakeside Technology Center) and Equinix's CH1, CH2, & CH4 sites are also in the building. CoreSite's CH1 site at 427 S LaSalle offers modest network density.

Suburban Chicago

The suburbs consist of data centers that are built in a campus environment where the buildings generally are 1 or 2 stories. The suburban data centers have higher power densities and offer more wholesale options. However, there are less Interconnection (Network) options and higher latencies to most destinations. (Most IP traffic needs to be hauled downtown before reaching the broader Internet.)

Wholesale Providers:

  • QTS's Chicago site offers a mix of wholesale and retail floor space. Located in the former Sun Times Press Facility it offers a location just outside of the loop.
  • Digital Realty offers 6 locations in Chicago. 350 E Cermak and 600 S Federal are downtown and network rich retail options. Digital's Franklin Park Campus and the former Dupont Fabros's campus in Elk Grove.
  • RagingWire is in Itasca near Elk Grove

Retail Colocation Chicago Providers:

  • Equinix has 3 locations
  • Zayo has 3 sites
  • Sungard has 3 sites in the Northwest
  • Cyxtera offers 2 locations
  • Steadfast has 2 retail locations downtown.
  • CyrusOne focuses on the Fintech colo after they acquired the CME data center in Aurora.

Electrical Utility:


Illinois's electricity market is deregulated that separates power generation and transport. Commonwealth Edison, aka ComEd, is the primary electric provider that generates its power from Coal (31%), Nuclear (26%, Wind (15%), Natural Gas (14%) and Hydro (7%). Pricing fluctuates, but the average cost in the $.08/kwh range.

Chicago Demographics:

Located at the southern end of Lake Michigan, Chicago is the 3rd largest city in the United States with a MSA population of 9.5 million people. Chicago's economy is one of the world most diverse. There are more than 400 major corporate headquarters, including 31 in the Fortune 500. Source: Wikipedia

Chicago Skyline





This stacking plan shows the layout of CH1, CH2, and CH4 in the building. The Telx (now Digital Realty) Meet-Me-Room on the 2nd floor. Financial Exchanges such as BATS, CME, and ICE are also noted.
Space inside Netrality interconnected colocation facility at 717 South Wells Chicago
This stacking plan shows the layout of CH1, CH2, and CH4 in the building. The Telx (now Digital Realty) Meet-Me-Room on the 2nd floor. Financial Exchanges such as BATS, CME, and ICE are also noted.
Stack Plan for Equinix Facilities in 350 E Cermak
Posted in Equinix Chicago CH1, CH2, & CH4

This stacking plan shows the layout of CH1, CH2, and CH4 in the building. The Telx (now Digital Realty) Meet-Me-Room on the 2nd floor. Financial Exchanges such as BATS, CME, and ICE are also noted.

Source: Equinix
Lobby of CH3
Posted in Equinix Chicago CH3 Source: Equinix
Exterior of CH3
Posted in Equinix Chicago CH3 Source: Equinix
Rendering of DRT's planned 12-story Data Center at 330 East Cermak
Posted in 350 E Cermak - Digital Realty Source: Digital Realty Trust
Outside of 350 E Cermak
Posted in 350 E Cermak - Digital Realty
Exterior View of QTS's Chicago Building
Posted in QTS Chicago Source: QTS
Diagram of QTS's Site in Chicago
Posted in QTS Chicago Source: QTS
CH1 Entrance to "The Telegraph Building"
Posted in CoreSite Chicago CH1 Source: CoreSite
Western Union Building with Chicago Board of Trade in the Background
Posted in CoreSite Chicago CH1
427 S LaSalle: 6th Floor Layout
Posted in CoreSite Chicago CH1 Source: CoreSite
427 S LaSalle: 5th Floor Layout
Posted in CoreSite Chicago CH1 Source: CoreSite
427 S LaSalle: 1st Floor Layout
Posted in CoreSite Chicago CH1
Rendering of the proposed Des Plaines Site
Posted in Iron Mountian Chicago
Equipment Yard
Posted in 505 N Railroad Ave - Digital Realty Source: CBRE
Overhead at Twilight
Posted in 505 N Railroad Ave - Digital Realty Source: CBRE
Front Gate
Posted in 505 N Railroad Ave - Digital Realty Source: Digital Realty Trust
Space inside Netrality interconnected colocation facility at 717 South Wells Chicago
Floor Ready for Data Center Rentovation
Posted in Netrality Chicago: 717 S Wells

Space inside Netrality interconnected colocation facility at 717 South Wells Chicago

Source: Netrality
6th Floor Meet Me Room
Posted in Netrality Chicago: 717 S Wells Source: Netrality
717 MMR Racks
Posted in Netrality Chicago: 717 S Wells Source: Netrality
Empty Colo Cages Ready to be Filled
Posted in Netrality Chicago: 717 S Wells Source: Netrality
Row of Cabinets on Slab
Posted in Netrality Chicago: 717 S Wells Source: Netrality
Exterior from the Street
Posted in Netrality Chicago: 717 S Wells

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Top Datacenter Providers in Chicago

Sites Sites Gross SqFt Gross SqFt Power (MW) Power (MW)
CenturyLink | Level 3 7 59,419 0.00
Digital Realty Trust 6 1,903,157 243.60
Cogent 4 6,111 0.00
Cyxtera Technologies 3 347,166 29.50
XO 3 0 1.21
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Largest Datacenters in Chicago

Gross SqFt Gross SqFt Power (MW) Power MW
350 E Cermak - Digital Realty 1,133,391 100.00
Microsoft Chicago Northlake 700,000
DRT Chicago Campus (CH1/CH2/CH3) 548,766 87.60
Equinix Chicago CH1, CH2, & CH4 296,927 8.20
Equinix Chicago CH3 272,103 10.80
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