Nabiax
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Nabiax is a Spanish colocation and wholesale data center operator that leases physical rack, cage, and suite space to enterprises and hyperscale cloud tenants rather than selling any cloud service of its own. As of 2026 its portfolio consists of three sites — a two-building campus in Alcalá de Henares (ADC1 and ADC2) and the Julián Camarillo campus, both near Madrid, plus a facility in Terrassa near Barcelona — with a combined installed IT power of roughly 35MW that Nabiax says can expand to over 100MW. The company was formed in 2019 when Asterion Industrial Partners acquired eleven former Telefónica data centers across Spain and Latin America, later adding more Spanish and Chilean sites with Telefónica taking a 20% stake. Nabiax has since sharply narrowed its footprint: it sold its eleven Latin American and US facilities to Actis in 2023 to focus purely on the Spanish market, and in November 2024 Asterion and Telefónica agreed to sell the remaining Spanish business to European asset manager Aermont Capital, a deal completed in 2025. Telefónica remains an anchor tenant at Nabiax’s sites, and the company also counts Microsoft, Amazon, and Google among its hosted customers, marketing its ADC2 building in particular as a reference site for hyperscalers.
Nabiax has a confirmed data center presence at the following locations:
FACILITY OPERATOR
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Nabiax Data Center Locations
- Terrassa, Spain Terrassa Data Center CARRIER-NEUTRAL PENDING REVIEW
The Terrassa facility began operations in 1990 and comprises 1,200 square meters split across seven IT rooms, making it Nabiax's oldest active site. - Madrid, Spain Julián Camarillo Campus PENDING REVIEW
The Julián Camarillo campus was acquired from Telefónica in 2019 and sits near Madrid-Barajas Airport, and Nabiax has continued expansion works there in subsequent years. - Alcalá de Henares, Spain ADC1 TIER IV CARRIER-NEUTRAL PENDING REVIEW
ADC1 is Nabiax's flagship, first opened in 2014, and has been certified Tier IV by the Uptime Institute across design, facility, and sustainable operation. - Alcalá de Henares, Spain ADC2 TIER III CARRIER-NEUTRAL PENDING REVIEW
ADC2 is marketed by Nabiax as the reference facility for hyperscalers in Spain and in 2024 leased an additional 7.5MW of newly built capacity to two unnamed hyperscale customers.
By Continent
Common Questions
How many data centers does Nabiax currently operate?
As of 2026, Nabiax's portfolio is limited to three data center sites, all in Spain: the Alcalá de Henares campus near Madrid (comprising two buildings, ADC1 and ADC2), the Julián Camarillo campus also near Madrid, and a facility in Terrassa near Barcelona, together totaling about 35MW of installed IT power.
Did Nabiax use to operate in Latin America?
Yes. Nabiax originally included facilities across Argentina, Brazil, Chile, Mexico, Peru, and the US, but it sold eleven of those Latin American and US data centers to investment firm Actis in March 2023 to focus solely on its home market in Spain.
Who owns Nabiax?
Nabiax was created by Asterion Industrial Partners in 2019 from former Telefónica data centers, with Telefónica later taking a 20% stake; in November 2024 Asterion and Telefónica agreed to sell the company to European asset manager Aermont Capital.
Is Nabiax's ADC1 facility certified?
ADC1, the first phase of the Alcalá de Henares campus, has been certified Tier IV by the Uptime Institute across design, facility, and sustainable operation categories.
Does Nabiax operate an AI data center?
As of now, we don't have a confirmed AI-optimized (GPU-dense, liquid-cooled) facility on file for Nabiax. We continue tracking new developments.
Does Nabiax offer colocation services?
Yes — we've identified 4 facilities where Nabiax may offer colocation services. Please contact Nabiax directly to confirm current availability and terms.
Does Nabiax offer cloud services?
We haven't confirmed cloud services for Nabiax yet — this isn't a definitive no, since our research can miss things. Please contact Nabiax directly to confirm cloud availability.
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