365 Chicago

427 South LaSalle Street

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Operated by:

Building Notes:

  • The site is a former Switch and Data site (also owned by Equinix for a short period.)
  • Located in CoreSite's 427 S LaSalle building


2 x 203 kW and 3 x 144 kW UPS back-up power for AC customers (N+1)
DC power A and B options available
Onsite 400 kW and 500 kW diesel generators

Security and Compliance:

  • HIPAA Security Rule and HITECH Breach Reporting
  • PCI DSS 3.0
  • SSAE 16 SOC 1 Type 2
  • SOC 2 Type 2
  • ISAE 3402

Network Providers:

Level 3

Map and Nearby Locations:

427 South LaSalle Street (Suite 405)
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Sites within 15 miles of 365 Chicago

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Distance Site About
0.00 miles Cogent: 427 S LaSalle
0.00 miles InfoRelay Chicago
0.00 miles CoreSite Chicago CH1
Once owned by the Western Union company, the building was formerly known as "The Telegraph Building."
0.02 miles QuadraNet Chicago
0.14 miles 600 S Federal - Digital Realty
0.14 miles Cogent: 600 S Federal
0.14 miles Colocation America CH2
0.14 miles Lumen Chicago 5
0.22 miles GTT - 717 South Wells
0.22 miles Netrality Chicago: 717 S Wells
The 10 story building was constructed in 1923 and eventually was converted into a data center.
0.23 miles Cogent: 216 W Jackson
0.24 miles Atlantic Metro ORD3
0.24 miles Colo@ Chicago
0.24 miles Steadfast Chicago 725 Wells
0.24 miles Crown Castle 725 S Wells
0.24 miles 725 S Wells - 1547 Critical Systems
1547 Acquired the site in December of 2018.
0.29 miles XO: 140 S Dearborn
0.56 miles Server Farm Realty 840 South Canal
4 MW Critical Load on Each Floor (Floors 1-5) 130-160 Watts per Raised Floor SF
0.56 miles DataBank (ORD2) 840 S Canal
0.59 miles Lumen Chicago 6
0.65 miles First Communications Chicago
0.66 miles TierPoint Chicago Polk
0.68 miles GTT - 111 North Canal
0.68 miles Lumen Chicago 1
0.71 miles Lumen Chicago 3
1.04 miles CoreSite Chicago CH2
In February 2018, CoreSite acquired a two-acre land parcel in downtown Chicago, Illinois, on which CoreSite built CH2, a greenfield development of a 175,000-square-foot, turn-key, four-story data center supporting 18 critical megawatts of power capacity. The building was completed in June 2020.
1.58 miles Lumen Chicago 4
1.66 miles 350 E Cermak - Digital Realty
1.66 miles Atlantic Metro ORD0
1.66 miles Colocation America CH1
1.66 miles Steadfast Chicago 350 E Cermak
1.66 miles Equinix Chicago CH1, CH2, & CH4
Equinix distinctly separates CH1, CH2, and CH4 into separate data centers, but in reality, the sites are in the same building.
1.66 miles Cyxtera Chicago CH4
Digital Realty Trust owns the building at 350 Cermak and is CTL's Landlord.
1.66 miles Cyxtera Chicago CH2
Within DRT's Cermak carrier hotel
1.68 miles ServerCentral Chicago DRT-CH1
1.73 miles Lumen Chicago 2
2.46 miles Metro Edge: Illinois Medical District (IMD)
3.00 miles QTS Chicago
The campus was a former Sun Times Press Facility and was acquired in 2014
5.61 miles 1547 Chicago Midway Technology Centre
11.77 miles Lumen Broadview
12.17 miles Tierpoint Chicago West
12.22 miles SingleHop Chicago
12.22 miles 9333 Grand Ave (DRT)
12.23 miles Digital Chicago Franklin Park Campus on Grand Ave - Digital Realty
Digital Chicago is a master-planned 40-acre campus in the Village of Franklin Park. The campus has 3 existing buildings, totaling 574,994 sqft
12.24 miles 9377 Grand Ave
12.25 miles 9355 Grand Ave
12.95 miles Digital Crossroad (Indiana NAP)
The facility (DX-1) is a 105,000 square foot, 20-Megawatt (MW) data center located on the former State Line Generating Plant, Hammond, IN.
13.12 miles Digital Crossroad: Hammond, IN (Phase 2)
Digital Crossroad is planning to expand its campus in Hammond, Indiana. The company plans to add another 180,000 sq ft (16,720 sqm) building and 20MW in the second phase.
14.74 miles 505 N Railroad Ave - Digital Realty
The Digital Chicago Campus covers 21 acres of land with access to major fiber networks and can support up to 8 MW of IT load at N+1 redundancies.
14.91 miles Aligned ORD-02
14.92 miles Aligned Chicago ORD-01
14.97 miles XO (Swift Dr)
14.97 miles DataBank (ORD4) Oak Brook
14.97 miles LexusNexis Oak Brook
15.13 miles Microsoft Chicago Northlake
15.19 miles T5 Northlake IL
15.84 miles Iron Mountain Chicago
First announced in 2018, the former Hart Schaffner Marx suit factory started construction in 2024.
15.99 miles Server Farm Oak Brook
The campus was originally built as the corporate headquarters of the Chicago Bridge & Iron Company (CB&I).
15.99 miles XO: (Oak Brook)
15.99 miles US Signal Oakbrook
800a 480V 3 phase 450kW diesel generator with 24 hour run time at full load 500kVa UPS capacity with battery backup
16.11 miles NYI Chicago (Oak Brook)
18.11 miles Equinix Chicago CH7
18.11 miles Verizon Chicago (Downers Grove)
18.46 miles Element Critical CH1
Element Critical acquired the site in January 2019 from Sungard. The facility was previously known as SunGard Wood Dale (711).
18.49 miles Element Critical CH2
Element Critical acquired the site in January 2019 from Sungard. The facility was previously known as SunGard Wood Dale (341).
18.54 miles EdgeConneX CHI01
18.54 miles Edgeconnex Chicago Campus
The first Chicago site was leaked to the press in Oct 2016. Microsoft is expected to be the anchor tenant with the site supporting up to 25-30 MWs.
18.59 miles Cyxtera Elk Grove CH3
Cyxtera's CH3 Elk Grove site is across the street from the Digital Realty Chicago campus (former Dupont Fabros) and close to Equinix CH3.
18.64 miles Stream Chicago I
18.64 miles EdgeConneX CHI02
18.68 miles 2299 Busse (CH2) Digital Realty
18.74 miles Equinix Chicago CH3
18.83 miles Stream Chicago II
18.85 miles 2200 Busse Rd (CH1) DRT
18.85 miles Rackspace Elk Grove ORD1
18.87 miles ServerCentral CH1
18.87 miles Digital Elk Grove Village Campus
Digital Realty Trust's Chicago campus is massive and is split among 3 buildings. The campus was acquired from Dupont Fabros in September 2017.
18.87 miles ColoCrossing CH1
18.97 miles 1450 E Devon Ave (CH3) DRT
19.35 miles STACK Chicago CHI01
19.43 miles Skybox Chicago I
19.45 miles STACK CHI01B
STACK INFRASTRUCTURE CHI01B Chicago Data Center is located at 1441 Touhy Avenue, Elk Grove Village, IL, which currently offers 24 MW of critical power and 221,000 square feet of space.
19.45 miles 360TCS-Lombard
19.45 miles Digital Fortress: Chicago Lombard
19.53 miles CoreWeave: US Central ORD1
19.72 miles CenturyLink: Arlington Heights
19.73 miles CloudHQ Mount Prospect ORD3
19.80 miles Prime Elk Grove

365 Chicago Data Center Photos

Operating Company

365 Leadership

365’s CEO is Bob DeSantis, who co-founded Xand, a data center provider acquired in 2014 by TierPoint

365 Exited Markets

In 2016 and 2017, the company exited Western Markets: Phoenix, Emeryville, Seattle, San Jose,

365 Overview

365 Data Centers is a leading provider of hybrid data center solutions in ten strategic edge markets. With data centers in Boca Raton, Buffalo, Chicago, Detroit, Fort Lauderdale, Indianapolis, Nashville, Philadelphia, New York and Tampa, the company offers a combined 195,000 square feet and 13 MW of power in place to serve clients. The company is carrier-neutral and offers Colocation, Network, IP, DRaaS, Cloud compute and storage, and Business Continuity services. 365 Data Centers is headquartered in Norwalk, Connecticut.

In September 2017, 365 Data Centers acquired hybrid data center and cloud services provider Host.net. The acquisition added Boca Raton and Fort Lauderdale facilities to 365 Data Center’s locations and allowed the company to offer enhanced services, including nationwide Metro Ethernet, long haul, and MPLS network/transport services, robust blended IP choices, direct, low latency connectivity to the NAP of the Americas and cloud/colocation hybrid solutions.

20 Facilities Owned
16 Markets Served
59.5 Megawatts
View Company


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Name Date Added Description
365_data_centers_specification_chicago September 2016

365 CH6 Data Sheet (PDF)