Northern Virginia Data Centers & Colocation | Digital Realty

21625 Gresham Drive

Ashburn, VA 20147

21625 Gresham Drive

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

The facility boasts 446,000 gross square feet—making it one of North America’s largest multi-tenant data centers. Critical power capacity totals 41.6 megawatts, while 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.

Digital Realty Data Center
21625 Gresham Drive, Ashburn, VA 20147
+1 877 378 3282

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Available services in Northern Virginia

Data Centers

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


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


Whether you need to move off-premise or connect multiple data centers, 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
  • Cooling Plant Redundancy
    • N+2
  • Compliance Certifications
    • SOC1
    • ISO 27001
    • PCI-DSS planned 1Q2019
  • Sustainability Certifications
    • LEED Gold
    • Energy Star
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