427 S LaSalle - Chicago, IL

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Scalable capacity and network access in downtown Chicago

Adjacent to the Chicago Board of Trade, CoreSite's Chicago data center serves one of the largest financial districts in the world, in addition to thriving healthcare and media hubs.


Customers at CH1 enjoy robust connectivity options to more than 80 networks, including 35+ carriers and ISPs, CoreSite's Open Cloud Exchange and Any2 peering exchange; in addition to direct access to other regional communication hubs through strategic partnerships with carriers.


CoreSite’s Chicago data center is located on major network fiber rings in downtown Chicago next door to the Chicago Board of Trade. The facility offers more than 180,000 square feet of secure and reliable (99.9999% up-time) data center space, ready to deploy with cabinets and cages supporting high-density power configurations.


CH1 provides customers with access to a flourishing network community including numerous cloud service providers, financial trading firms, and enterprises. Financial firms choose CH1 because the high level of network connectivity enables them to conduct high-speed trading with virtually zero latency while still complying with FISMA regulations.

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  • Facility size
    • 183,000 square feet
  • Deployments
    • Cabinets, cages, and private suites
    • Rooftop space available
  • Power
    • AC and DC
    • Breakered and metered billing
  • Fit out
    • Powered shell, infrastructured shell, and turn-key
  • Contract structure
    • Colocation license or NNN lease


  • Exchanges
    • Open Cloud Exchange and Any2 Peering Exchange
  • Diversity
    • Diverse POEs, MDFs, and IDFs
  • Cross connects
    • Fiber, copper, and coaxial with standard 2-day installation (faster emergency services available)
  • Connectivity solutions


  • Key card access
  • Biometric scanners
  • Mantrap entries
  • Perimeter and interior IP-DVR cameras
  • 24x7x365 security guard monitoring
  • Controlled site access


  • Electrical
    • ComEd Power
    • Diverse utility feeds
    • N, N+1, 2N UPSs, PDUs, and RPPs; N+1 redundancy on generators
    • 24 hours of on-site fuel storage
  • Mechanical
    • N+1 chillers, CRAHs, and chilled water pumps
  • Staffing
    • 24x7x365 on-site, BICSI and CFOT accredited personnel
    • 24x7x365 remote hands
  • BMS controls
    • State-of-the-art mission critical controls and monitoring
  • Uptime
    • SLA of five 9s (99.999%)
    • Six 9s (99.9999%) across portfolio for two years running


  • Floor loading
    • 175 LBS/SF throughout facility
  • Column spacing
    • 20' x 26'
  • Clear height
    • 8'6" above 24" raised floor
  • Hardened exterior
    • ​​Roof designed to withstand 125 MPH wind speeds


  • SSAE 16 Type 2


  • Loading dock
    • Exterior 36" dock-high with hydraulic lift
  • Elevators
    • Passenger: 5'w x 4'd x 9'h; 2,500 LBS
    • Freight: 12'w x 5'd x 9'h; 10,000 LBS
  • On-site parking
    • 10 dedicated spaces adjacent; multiple public parking options in immediate vicinity
  • Storage and staging
    • Private and shared areas


  • Office space and conference rooms
  • 24x7x365 tech lounge with televisions, couches and kitchen


  • Electrical
    • Mitsubishi high-efficiency UPS systems
    • Power delivered from utility at 13.2 KV to achieve rate reduction and distribution efficiencies
  • Mechanical
    • Chilled water with evaporative condensing units and chillers for air- and water-side economization with variable speed CRAHs and ultrasonic humidification
  • Life safety
    • Dual-interlock pre-action dry-pipe sprinkler system
  • Lighting
    • ​Lutron Eco-System lighting