Digital Realty ACC4 Ashburn Data Center
- Headline capacity
- Not established in published records
- Updated
- Oct 28, 2026
Digital Realty ACC4 is an operating one-story data center at 44480 Hastings Drive in Ashburn. The 347,500-square-foot facility uses N+2 UPS and cooling architecture and carries major security, operational and sustainability certifications. A current facility-specific IT-capacity figure is not disclosed on the operator page.
Capacity
Operating IT capacity: Not established in published records
A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.
Development
Operating Ashburn data center.
Participants
Operator
Sources by role
Operator (1)
- ACC4 data center · Aug 31, 2026 · Primary
Operator (1)
- Northern Virginia data-center portfolio · Aug 31, 2026 · Corroborating
Site & development
Infrastructure & permits
Technical details (2)
Operational
N+2 UPS architecture.
Operational
N+2 cooling architecture.
Project map
Public-source research. Plans may change. See Evidence for sources and qualifications.
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