21625 Gresham Drive

In the heart of Northern Virginia's data centre hub known as Data Centre Alley, 21625 Gresham Drive is minutes from Washington, D.C. and stands as a premier example of data centre performance, reliability and energy efficiency.

The facility boasts 446,000 gross square feet-making it one of North America's largest multi-tenant data centres. Critical power capacity totals 41.6 megawatts, whilst the design achieves an industry-leading PUE of 1.15 at full capacity.

Varied room sizes and load densities suit a wide range of users—including some of the world’s most demanding Fortune 500 enterprises and tech industry leaders.

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Available services in Ashburn

Data Centres

Check out our full list of services including colocation, build to suit, and a focus on sustainability for a complete data centre ecosystem strategy.


Interconnection is at the heart of our Digital Realty data centres enabling secure, fast, and reliable interconnect connectivity throughout our ecosystem.


Whether you need to move off-premise or connect multiple data centres, Digital Realty has the reliable solutions for your private and hybrid clouds.

Facility Specs

Utility Power Capacity
  • 34.5 MW
Total Building Size
  • 446,000 ft²
UPS Redundancy
  • N+2
Compliance Certifications
  • SOC1
  • ISO 27001
  • PCI-DSS planned 1Q2019
Sustainability Certifications
  • LEED Gold
  • Energy Star
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