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maincubes FRA01

Operational

maincubes FRA01 is a data center in Frankfurt, Germany, operated by maincubes, with 6 MW of published IT capacity, currently operational, opened in 2017.

Multi-tenant colocation data center in Frankfurt with 6 MW capacity and design PUE of 1.3 or lower, in operation since 2017.

maincubes FRA01 — schematic illustration
Schematic illustration based on published specifications, not a photograph · air-cooled · in operation
Operator
maincubes
City
Frankfurt, Germany
Power, MW
6 MW
Cooling
Air
Opened
2017
Floor space
4,200 m²
ISO 27001ISO 9001ISO 14001ISO 50001DIN EN 50600 VK3SOC 1 (ISAE 3402)SOC 2EMAS
D

Coloprice Score

46 out of 100

Class D · #5 of 122 in Germany

  • Resilience6/35
  • Compliance12/20
  • Transparency9/20
  • Scale9/15
  • Maturity10/10
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maincubes FRA01 — Coloprice Score 46
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Connectivity: 41 networks and 6 internet exchanges are present in this facility. Source: PeeringDB →

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.

maincubes FRA01 — Top 10 data centers in Germany 2026
#5 of 122 · See the list →
maincubes FRA01 — Top 3 data centers in Frankfurt, Germany 2026
#3 of 58 · See the list →

A Kyoto-wheel free-cooling system is the signature of maincubes FRA01, a multi-tenant colocation facility that has operated in Frankfurt since 2017 with a design PUE of 1.3 or lower. The building offers 6 MW of IT capacity and around 45,000 sq ft (roughly 4,200 sqm) of whitespace over three levels, including two 700 sqm IT rooms, and runs exclusively on green electricity with climate-neutral operations. It is a DE-CIX-enabled site, giving tenants direct access to the world's largest internet exchange, and remains carrier-neutral with more than twenty network partners including Colt, Vodafone and Verizon. The compliance portfolio is extensive for a facility of this size: ISO 27001, ISO 9001, ISO 14001 and ISO 50001, DIN EN 50600 including VK3, SOC 1 and SOC 2 (ISAE 3402), plus EMAS registration and OekoPLUS certification. Banks and financial services firms feature prominently among its tenants, and the site also supports high-performance computing deployments.

  • 6 MW multi-tenant facility operating in Frankfurt since 2017
  • Kyoto-wheel free cooling with design PUE of 1.3 or lower
  • DE-CIX-enabled with 20+ carriers including Colt, Vodafone, Verizon
  • Runs exclusively on green electricity; EMAS registered
  • ISO 27001/9001/14001/50001, EN 50600 VK3, SOC 1 and SOC 2

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Data release:

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Source — Verified against operator sources · data pending on-site verification