CyrusOne FRA3
OperationalCyrusOne FRA3 is a data center in Frankfurt, Germany, operated by CyrusOne, with 22 MW of published IT capacity, currently operational.
CyrusOne data center in Frankfurt-Sossenheim delivering 22 MW of IT capacity across 11,560 sqm in two attached four-story buildings.

- Operator
- CyrusOne
- City
- Frankfurt, Germany
- Power, MW
- 22 MW
- Cooling
- Air
- Floor space
- 11,560 m²
- Renewable energy
- 100%
- Market benchmark
- $250 per kW per month wholesale · Frankfurt, Germany
- Index rate for the market, not this operator’s price list
- Address
- Willhelm-Fay-Strasse, Frankfurt am Main (Sossenheim) · Open in maps ↗
1 sources · data pending on-site verification
Coloprice Score
34 out of 100
Class E · #50 of 274 in Germany
- Resilience0/35
- Compliance4/20
- Transparency12/20
- Scale11/15
- Maturity7/10
Originally developed as Zenium Frankfurt Two before CyrusOne's acquisition of the Zenium platform, FRA3 stands on Willhelm-Fay-Strasse in Frankfurt-Sossenheim, less than 500 metres from the operator's FRA1 and FRA2 buildings. Two attached four-story buildings hold 11,560 sqm of technical IT space with 22 MW of capacity, fed by active/active dual redundant 110 kV supplies from substations independent of the neighbouring campus. Each data hall gets N+N electrical infrastructure, and cooling is handled by an indirect adiabatic air system that keeps PUE low without high water consumption. The site has run on 100% renewable energy since 2021 and holds ISO 14001 and ISO 50001 certifications for environmental and energy management. Fire protection combines three-stage detection with VESDA sensing and gas suppression. Carrier-neutral with diverse fibre entries, FRA3 serves enterprises and hyperscalers wanting concurrently maintainable wholesale capacity inside Frankfurt's western data center corridor.
- ▮22 MW across 11,560 sqm in two attached four-story buildings
- ▮Active/active dual redundant 110 kV power from independent substations
- ▮Indirect adiabatic air cooling with N+N electrical per data hall
- ▮100% renewable power since 2021; ISO 14001 and ISO 50001 certified
- ▮Formerly Zenium Frankfurt Two, under 500 m from CyrusOne FRA1/FRA2
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Data release:
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| Facility | Operator | Power, MW | Tier | Status |
|---|---|---|---|---|
| CyrusOne FRA3 | CyrusOne | 22 | — | Operational |
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Source — Verified against operator sources · data pending on-site verification