IAD40
OperationalIAD40 is a data center in Ashburn, United States, operated by Digital Realty, currently operational.
Two-story, 223,500 sq ft Digital Realty building (Bldg M) at Round Table Plaza in Ashburn, running on 100% renewable energy.

- Operator
- Digital Realty
- City
- Ashburn, United States
- Power, MW
- —
- Cooling
- Air
- Floor space
- 20,750 m²
- Renewable energy
- 100%
- Market benchmark
- $173 per kW per month wholesale · Ashburn, United States
- Index rate for the market, not this operator’s price list
- Address
- 44372 Round Table Plaza (Bldg M), Ashburn, VA 20147 · Open in maps ↗
1 sources · data pending on-site verification
Coloprice Score
36 out of 100
Class D · #243 of 1332 in United States
- Resilience6/35
- Compliance15/20
- Transparency8/20
- Scale0/15
- Maturity7/10
Awards & badges
Earned from the rankings — position in the country, city, category and worldwide lists, plus score axes at their maximum. Free to embed on the operator's site; each badge links back to the list that certifies it.
IAD40 is a Digital Realty colocation building at 44372 Round Table Plaza (Building M) in Ashburn, Virginia, in the Dulles Tech Corridor of Northern Virginia. It is a two-storey structure of 223,500 sq ft (20,750 sqm) set within a secured site that the operator says has nearly 3 million sq ft of land available for future expansion, and it sits close to Digital Realty's Digital Ashburn campus. The published resilience figures are N+1 UPS redundancy and N+2 cooling redundancy, with CCTV retained for 90 days and biometric or photo-badge access control. Listed compliance covers SOC 2, SOC 3, PCI-DSS, ISO 9001, ISO 14001, ISO 27001 and NIST SP 800-53, and the sustainability section lists Energy Star and 100% renewable energy. Digital Realty positions the site for large-scale deployments, but it does not publish an IT power capacity, rack count, opening year or maximum density for IAD40, so those values remain empty.
- ▮Two-storey, 223,500 sq ft (20,750 sqm) building at Round Table Plaza, Ashburn
- ▮Nearly 3 million sq ft of surrounding land cited for future expansion
- ▮N+1 UPS and N+2 cooling redundancy
- ▮Energy Star listed; operator states 100% renewable energy
- ▮Power capacity is not published by the operator
Colocation pricing: United States & other markets — The Colocation Price Index →
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Data release:
More data centers in Ashburn
| Facility | Operator | Power, MW | Tier | Status |
|---|---|---|---|---|
| IAD40 | Digital Realty | — | — | Operational |
| Digital Realty IAD39 (Round Table Plaza) | Digital Realty | — | — | Operational |
| Equinix DC11 | Equinix | — | — | Operational |
| Equinix DC2 | Equinix | — | — | Operational |
| QTS Ashburn 2 (DC-2) | QTS Data Centers | — | — | Operational |
| Equinix DC1 | Equinix | — | — | Operational |
Source — Verified against operator sources · data pending on-site verification