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Csquare IAD1

Operational

Csquare IAD1 is a data center in Sterling, United States, operated by Csquare, with 143.2 MW of published IT capacity, currently operational.

Csquare's flagship Northern Virginia campus in Sterling, VA, the operator's largest facility by utility power, at the heart of the Dulles Technology Corridor.

Csquare IAD1 — schematic illustration
Schematic illustration based on published specifications, not a photograph · air-cooled · in operation
Operator
Csquare
City
Sterling, United States
Power, MW
143.2 MW
Cooling
Air
Floor space
13,157 m²
SOC 1 Type IISOC 2 Type IIPCI-DSSNIST 800-53 PE HighISO 27001ENERGY STAR Certified
D

Coloprice Score

40 out of 100

Class D · #118 of 574 in United States

  • Resilience6/35
  • Compliance9/20
  • Transparency7/20
  • Scale11/15
  • Maturity7/10
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Csquare IAD1 — Coloprice Score 40
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Csquare IAD1 — Top 3 data centers in Sterling, VA, United States 2026
#2 of 13 · See the list →

Csquare IAD1 is a colocation campus in Sterling, Virginia, seven miles from Dulles International Airport and roughly 30 miles from Reagan National Airport, in the Dulles Technology Corridor — one of the densest data center markets in the world. The facility is built out as five separate pods, giving Csquare's largest single utility power allocation across its North American and European portfolio. It anchors a two-building Sterling cluster together with the smaller IAD2 site, connected by low-latency dark fiber so tenants can span both buildings. The operator markets the campus for enterprises seeking a Northern Virginia presence with access to a broad roster of carrier-neutral network and cloud on-ramps through its Digital Exchange. Published compliance coverage spans SOC 1 and SOC 2 Type II, PCI-DSS, NIST 800-53 PE High, ISO 27001 and ENERGY STAR certification, alongside standard physical-security layers (mantraps, biometric access, ballistic glazing). Csquare (formerly the Centersquare / CyrusOne retail colocation business) does not publish a Tier rating or PUE figure for IAD1; those remain undisclosed.

  • 141,621 sq. ft. of raised floor across five pods
  • 143.2 MW of utility power — Csquare's largest single site
  • Dark-fiber link to the adjacent IAD2 building
  • 13 carrier-neutral network providers on site

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