Equinix DC21
Equinix · Ashburn
- IT live
- 40 MW
- Free to lease
- 3.2 MW
- $ / kW·mo
- $70
- White space
- 125k ft²
Inventory
92% occupiedPower
40 MWlive
3.2 MW to lease · 36.8 MW in use
White space
125k ft²total
10k ft² free · 115k ft² occupied
12k m² · 929 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 12 MW of the utility feed is cooling, conversion, and house load.
Power cost
$70/kW·mo
7.3¢ industrial · 9.6¢ after PUE 1.32
- Per MW·year
- $844k
- This site · 40 MW
- $34M/yr
- 30 kW rack
- $2,110/mo
2.3× the cheapest market (Iceland Landsvirkjun). Same IT load there is $19M/yr less.
Northern Virginia / Dominion · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2020
- Renewable match
- 80%
- Rack density
- 30 kW
- PUE
- 1.321.00 ideal · 1.60 typical
- Power source
- Dominion Energy / NOVEC.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
30 kW
H100-eq
—
WUE
0.91 L/kWh
fleet avg · 2025 · 319k m³/yr at 40 MW
Operator fleet average applied to this hall — not a site meter. Equinix 2025 Sustainability Report.
Equinix Cooling as a Service: CDU-fed direct-to-chip loops for high-density AI cabinets, alongside IDEC/CRAH for standard interconnection cages.
Network carriers
10- Equinix Fabric
- Equinix Internet Exchange
- Verizon
- AT&T
- Lumen
- Zayo
- Cogent
- Comcast
- Crown Castle
- Equinix IX Ashburn
On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
6Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Ashburn, Virginia, United States
Ashburn East, VA
39.018°, -77.448° · North America
Tenants / users
Networks, cloud, enterprise, finance — Equinix Fabric
Notes
DC21 is an Equinix IBX in the Ashburn metro. Carrier-neutral IBX with Equinix Fabric, Internet Exchange, and cloud on-ramps. Fleet-average PUE was 1.37 in 2025.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.