CyrusOne CHI3 – Aurora Campus
2725 Bilter Rd, Aurora, IL, 60502, US
Colocation space
450,000
sq ft
Power capacity
109 MW
Three buildings on Diehl Road in Aurora make up CyrusOne's Chicago campus - CHI1, CHI2 and CHI3 - holding 450,000 sq ft of technical space and 109 MW of IT capacity between them. CHI2 carries CME Group's trading platform, which is why latency-sensitive financial traffic comes to Diehl Road at all. DE-CIX Chicago and MegaIX Chicago both reach the campus. CyrusOne states 98% carbon-free or renewable electricity here, and the Uptime Institute's Management & Operations stamp issued on 30 January 2026 covers the Aurora building the operator registers as CH1.
Facility Specifications
Site information
- Colocation space
- 450,000 sq ft
- Power capacity
- 109 MW
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Location
Frequently asked questions
How many buildings stand on CyrusOne's Aurora campus?
Three - CHI1, CHI2 and CHI3, at 2705-2905 Diehl Road, Aurora IL 60502.
Which tenant anchors the Aurora campus?
CME Group, whose trading platform runs in CHI2. That is what draws latency-sensitive financial networks to the site.
Which exchanges reach Diehl Road?
DE-CIX Chicago and MegaIX Chicago.
What has the Uptime Institute attested at Aurora?
A Management & Operations Stamp of Approval issued on 30 January 2026 and running to 2028, recorded against the Aurora data centre CyrusOne registers as CH1. It attests operating practice, not a Tier.
How much capacity does the Aurora campus hold?
109 MW of IT capacity and 450,000 sq ft of technical space across the three buildings.