HOSTKEY Data Centers¶

In this article

• euNetworks Data Center - Amsterdam, the Netherlands
• Redcentric’s London City Data Centre
• Iaas datacenter Madrid
• DC2SCALE’s Vélizy Latécoère PAR3 Paris Data Center
• Frankfurt 1 Data Center (FRA1) - Frankfurt, Germany
• Digita Data Center — Helsinki, Finland
• Long Island Interconnect Data Center — New York, the USA
• Verne Global Data Center — Keflavik, Iceland
• TI Sparkle Turkey — Istanbul, Turkey
• Retelit Avalon 2 Data Center, Milan Italy
• LIM Data Center 3 Warsaw, Poland
• NTS Workspace – Zurich Data Center, Switzerland
• firstcolo Data Center Werkhaus, Frankfurt am Main, Germany

Link to full documentation:: https://hostkey.com/about-us/data-centers/

euNetworks Data Center - Amsterdam, the Netherlands¶

euNetworks is a leading Western European provider of data center and cloud services headquartered in London. All rented HOSTKEY racks are connected to two independently protected inputs of 32A per rack, and climate control is provided by dedicated central chiller systems. Guaranteed power supply is achieved through the use of a bundle of UPS + diesel generators + fuel tank. The building also houses the central hub for the EuNetworks provider, providing all types of connections and channels in the Netherlands and Europe. The network infrastructure is fully redundant.

euNetworks Data Center Specification¶

Cages and customized racks, Authorized access and support, Rack cabinets, Room for rent, Suites, Cages, Оffice space, Remote hands.

Special offer

Carrier neutral Website: eunetworks.com

Detailed information about euNetworks¶

Data Center characteristics¶

euNetworks operates premium data center facilities in the Netherlands and Germany. The facility in Amsterdam has been designed to the highest standards of security, cooling and power density to meet the most demanding requirements.

• Number of racks in the data center: approximately 5,000
• Security certification level: ISO 14001:2015, ISO 27001:2013, ISO 9001:2015
• Power supply: 10 MVA committed draw (for ground floor and unfitted 1^st floor data-center)
• UPS system: N+1 redundant rotary UPS
• Generators: N+1 diesel generators; 57,000 liters stored on site / contract for delivery of diesel within eight hours
• Air Conditioning: cold aisle; temperature SLA: 22ºC ± 3ºC
• Fire Suppression: VESDA system (very early smoke detection alarm), aragonite gas automatic fire suppression system in the IT rooms and Switch rooms, sprinkler system in generator room
• Building management system: central computerized BMS, EMS and all alarms monitored 24/7
• Physical Security: 24x7 monitoring, CCTV cameras throughout the building inside and outside, 24x7 security guards on-site at all times, Zoned access control key card system with man-traps. Outer doors are alarmed, Intruder detection systems

euNetworks Switch Node¶

HOSTKEY's facilities are directly connected to the euNetworks data transmission networks, connecting to the world's leading telecom operators and traffic exchange points: AMS-IX, NL-IX, Speed-IX, Data-IX and Global-IX through high-capacity fiber-optic backbone channels. The presence of one of the central communication and traffic exchange nodes directly inside the data center guarantees HOSTKEY customers uninterrupted service availability and high access speeds.

Redcentric’s London City Data Centre¶

Redcentric's London City data centre is situated in Shoreditch, in the heart of London. This facility maintains top-tier security and operational standards, ensuring at least N+1 redundancy for both cooling and power, providing dependable, efficient services with robust, carrier-neutral connectivity options. Positioned in a prime location, this data centre provides cost-effective, ISO-certified racks, cages, and private suites, and operates entirely on renewable energy sourced from solar, wind, and hydroelectric power.

Redcentric’s London City Data Centre Specification¶

Cages and customized racks, Authorized access and support, Rack cabinets, Room for rent, Suites, Cages, Оffice space, Remote hands.

Carrier neutral Website: redcentricplc.com/uk-data-centres/london-city-data-centre/

Detailed information about Redcentric’s London City Data Centre¶

General¶

Security¶

• Type of security system: Proximity + PIN/CCTV
• Staffed 24/7/365: Yes

Fire Detection & Suppression¶

• High sensitivity smoke detection system: Yes
• Type of fire suppression: Data halls – gas

Air Conditioning & Cooling¶

• Type of cooling system: DX cooling
• Cooling redundancy: N+1
• CCUs or in-row cooling: In-row and CRAC

Power¶

• Number of independent supplies into the building: 2
• Total incoming feed capacity (MVA): 2
• Generator fuel at full load (hours): 48
• UPS type: Static
• UPS autonomy (minutes): 6
• UPS redundancy: N+N
• Generator redundancy: N+1

Connectivity¶

Redcentric London City data centre has 26 connectivity customers that have PoPs into this data centre, providing customers with shorter lead times for connecting their infrastructure at lower costs. As a carrier neutral data centre, Redcentric offers you choices to select the best fit for your specific needs. All connected carriers range from the world’s Tier 1 carriers to smaller companies offering bespoke network design and management services.

Iaas datacenter Madrid¶

Iaas datacenter Madrid provides industry-leading colocation solutions featuring unmatched security, exceptional connectivity, and award-winning energy efficiency. Its flexible infrastructure and strategic location in Madrid position it perfectly to support critical business operations and growth in Southern Europe.

Iaas datacenter Madrid Specification¶

Authorized access and support: Yes, biometric authentication and 24/7 remote support. Cages, Suites, Office space, Remote hands. Carrier neutral: Yes. Website: https://iaas.es/

Iaas datacenter Madrid Specification (Detailed)¶

General¶

Located strategically in Madrid, the iaas datacenter Madrid offers scalable, secure, and energy-efficient colocation solutions tailored to businesses of all sizes. Featuring flexible configurations—from single-unit shared racks to customized private suites—our facility ensures compliance with rigorous standards like GDPR.

Security¶

Your infrastructure is protected by multi-layer security including biometric fingerprint scanning, 24/7 CCTV surveillance, mantraps, and strict access control protocols. Comprehensive digital safeguards include VLAN segmentation and advanced DDoS mitigation.

Fire Detection & Suppression¶

The facility employs VESDA early smoke detection systems coupled with pre-action dry-pipe sprinklers and inert gas suppression, guaranteeing rapid response and protection of critical assets.

Air Conditioning & Cooling¶

Advanced cooling systems ensure a highly efficient environment (PUE below 1.5) through hot/cold aisle containment, variable-speed CRAC units, and innovative free cooling solutions reducing annual energy usage significantly.

Power¶

Dual substations and Tier III-compliant diesel generators deliver N+1 redundant power ensuring uninterrupted operations and industry-leading uptime of 99.982%.

Connectivity¶

Experience robust and reliable connectivity through our carrier-neutral model with direct links to major providers including Telefónica (Movistar), Orange, Vodafone, Lyntia, Correos Telecom, Aire Networks, Cogent, euNetworks, Fibry, Colt, and Arelion. Benefit from seamless peering via Madrid's leading Internet Exchanges—ESPANIX, IXPlay, and DE-CIX.

DC2SCALE’s Vélizy Latécoère PAR3 Paris Data Center¶

The DC2Scale Vélizy Latécoère PAR3 is a state-of-the-art data center strategically located in Vélizy-Villacoublay, near Paris, France. Designed with scalability, reliability, and sustainability in mind, this facility caters to enterprises requiring cutting-edge infrastructure for their digital operations.

Key features and benefits of DC2SCALE’s Paris Data Centre¶

• 600 m² of IT room with a capacity of 200 bays
• Tier 3 design with electrical and cooling redundancy (N+1)
• Redundant power supply: 2x 1.5MVA connection, secured by two generators
• Flexible corrugated power supply: Design 3 or Design 4 options available
• Air conditioning cabinets (CRACs) in 2N: 6 Denco units with direct freecooling functionality
• Security 24/7: Supervised by an external NOC and a guard service

Access to the datacenter¶

The Datacenter is accessed through a single-person airlock, preceded by a motorised armoured door and biometric access control. In addition, we have various infrared barriers, motion detectors and infrared cameras (with night-vision) both inside and outside the data center.

DC2SCALE’s Paris Data Centre specification¶

Website: https://dc2scale.fr/en/our-datacenters/velizy-latecoere

Services¶

Full Cabinets, Partial Cabinets, Cages, Footprints, Remote Hands.

Power¶

Total Critical Power: 1.5 MW; UPS Redundancy: N+1; Cooling Redundancy: N+2; Standby Power Redundancy: N+1.

Security¶

Mantrap Entry: Yes; CCTV surveillance: Yes; Biometric Access Control: Yes; Onsite Security Staff: Yes, 24/7.

Connectivity at DC2Scale Vélizy Latécoère PAR3¶

• Carrier-Neutral Facility
• High-Speed Fiber Connectivity
• Redundant Network Infrastructure
• Access to Internet Exchange Points (IXPs) via FNC-IX
• Scalable Connectivity Options (10G or 25G Ethernet ports)

Frankfurt 1 Data Center (FRA1) - Frankfurt, Germany¶

Frankfurt 1 Data Center (FRA1) operates premium data center facilities in the Netherlands and Germany. The facility has been designed to the highest standards of security, cooling and power density to meet the most demanding requirements.

Frankfurt 1 Data Center Specification¶

Cages and customized racks, Security certification level: BS PAS 68:2013. Authorized access and support: Rack cabinets, Room for rent, Suites, Cages, Оffice space, Remote hands. Carrier neutral. Website: services.global.ntt/fr-be/...

Detailed information about Frankfurt 1 Data Center¶

Data center space¶

• 47,900+m² of IT space (additional 4,300+m² under construction)
• Flexible colocation deployments
• Ancillary spaces available

Power¶

• Total power: 120MVA
• IT load: 8 – 12MW per data center building
• Average power density of 1.0 – 3.0kW/m²
• Separate, dual UPS systems (A- and B-supply) with 2N redundancy

Cooling¶

• High efficient chiller systems with free-cooling integrated or separated recoolers
• CRAH units and peripheral ventilation systems
• Heat recovery with heating pumps

Fire protection¶

• Automatic digital fire alarm system on all levels
• Very Early Smoke Detection Alarm Systems (VESDA)
• Argon or nitrogen gas extinguishing system

Security¶

• 24/7 Security Operations Center
• Palisade fencing and video surveillance
• Ram-raid bollard protection in accordance to BS PAS 68:2013

Connectivity¶

Carrier- and cloud-neutral. Features Carrier-Meet-Me-Rooms, Carrier-Access-Rooms, and high-performance internet access with multi-service interconnection platforms.

Digita Data Center — Helsinki, Finland¶

Digita has several data centers in the Helsinki metropolitan area and equipment facilities all over Finland. At the Helsinki Pasila Data Center region customers benefit from the best possible connectivity with the biggest IXP in Finland present.

Digita Data Center Specification¶

Cages and customized racks, Security certification level: ISO27001, ISO45001, BREEAM very good. Authorized access and support: Rack cabinets, Room for rent, Suites, Cages, Оffice space, Remote hands. Carrier neutral. Website: digita.fi/en/services/data-center/

Detailed information about Digita¶

Specification¶

Colocation space - White space and full racks (42–47U, 19”, depth: 1200 mm, width: 800 mm)

Access control - Access control cards and keys; 24/7 security control room; Lockable equipment racks.

Power supply - Backed up with UPS systems and diesel generators (230 VAC, 3-phase 16 amps). - Guaranteed power supply - UPS system, A and B feed.

Conditions in the data center - Temperature: 22°C, ± 6°C; 24/7 monitoring. - Fire resistance class: EI60.

Digita’s Data Center features¶

Power supply Ensuring a secure power supply is one of the key tasks. All data centers have two independent power lines leading all the way to the racks and backup generators for long outages.

Cooling The cooling system is based on the district cooling network of the City of Helsinki, allowing waste heat to be recycled to heat properties.

Security Physical security includes perimeter monitoring, access control (biometrics), video monitoring, and 24/7 control room.

Connectivity Located in Pasila’s media hub, near FICIX Helsinki IXP. Connected to the international Cinia network via C-Lion1 submarine cable for low latency to central Europe.

Uutiskatu 5, 00240 Helsinki, Finland

Long Island Interconnect Data Center — New York, the USA¶

As the premier carrier-neutral interconnection hub on Long Island, New York, Long Island Interconnect enables domestic and international connectivity via subsea cable operators and terrestrial fiber networks.

Long Island Interconnect Data Center Specification¶

Cages and customized racks, Security certification level: SOC 2 TYPE II (in progress). Authorized access and support: Rack cabinets, Room for rent, Suites, Cages, Оffice space, Remote hands. Carrier neutral. Website: longislandinterconnect.com

Detailed information about Long Island Interconnect¶

Building specifications¶

• 18,500 square-foot facility located near multiple cable landing stations.
• Diverse building fiber entrances and high reliability with 24/7 monitoring.
• Floor load capacity of 200+ lbs/sf.

Security¶

• Dual authentication security.

Power distribution¶

• Generator backed AC, UPS AC, DC, N+½N – 99.982% availability.
• Total power capacity: 3200Amps/208v x 2.
• Two generators in N+1 configuration (750kW and 800kW).

Environmental distribution¶

• Cooling level average is 3kW per cabinet.
• Located at 110ft above sea level, out of the 100-year flood zone.

Network & Сonnectivity¶

• Serves as a hub for global and domestic interconnection.
• Direct access to multiple submarine cable systems (AC-1, AC-2, AEConnect-1, etc.).
• Access to DE-CIX Global Internet Exchange.

Verne Global Data Center — Keflavik, Iceland¶

Verne Global offers specialized colocation services in Iceland, uniquely designed for high-intensity and High-Performance Computing (HPC) applications using 100% renewable energy.

Verne Global Iceland Data Center Specification¶

Cages and customized racks, Authorized access and support: Security certification level ISO 27001, ISO 14001, ISO 9001. PCI DSS and HIPAA compliant. Sustainability Certification SQS1 Excellent. NVIDIA DGX-Ready. Rack cabinets, Cages, Carrier neutral. Website: verneglobal.com

Haven't you found the right pre-configured server yet? Use our online configurator to assemble a custom GPU server that fits your unique requirements.

Detailed information about Verne Global¶

Data Center characteristics¶

Verne Global specializes in high-intensity computing requirements (HPC). The facility is designed for scalability, sustainability, and security, operating solely on 100% renewable energy.

Space - 40 acre campus on a former NATO base. - High density customized cabinets: 50kW air cooled / A100kW liquid cooled. - Layered physical and digital security (biometric access, CCTV).

Power - On-site MV Substation: N+1 15MVA Transformers. - Critical Redundancy to Rack: 2N; UPS/Batteries: 2N; Generators: 2N.

Cooling - Industrial HVAC Air Handlers (12); Redundancy: N+2. - Mode of Operation: Free Air / Closed Loop Cooling.

Security - 24x7x365 Staff on-site; CCTV coverage; Two factor Authentication; Inergen (IG-541) Gas Suppression.

Connectivity¶

Connectivity to Iceland is provided by high-capacity subsea cables: FARICE-1, DANICE, IRIS, and Greenland Connect. Verne Global is the main telecommunications interconnect site for Iceland.

TI Sparkle Turkey — Istanbul, Turkey¶

TI Sparkle Turkey provides Network, Data Center and Cloud Services in Turkey with privately owned Premium data center facilities in Istanbul.

TI Sparkle Turkey Data Center Specification¶

Cages and customized racks. Security certification: N/A (compatible with customer requirements). Authorized access and support: Rack cabinets, Cages. Carrier neutral. Website: tisparkle.com/turkey

Detailed information about TI Sparkle Turkey Telekomünikasyon A.S.¶

Specifications¶

• Colocation space: 4350 m2.
• Access control: 24/7 on-site security, CCTV, and access systems at all entrances.
• Power supply: 2 MW capacity, backed up by redundant UPS and generators (2N).
• Conditions: 99.99% availability; temperature between 18 °C and 27 °C.

Connectivity¶

Provides Seabone Tier 1 global IP Transit service and cross-connect availability to leading local/international providers via the Mediterranean backbone (DWDM technology).

Retelit Avalon 2 Data Center, Milan Italy¶

Located just outside Milan, the Retelit Avalon 2 Data Center offers a secure, energy-efficient colocation environment. Part of the Avalon Campus, it combines 650 kW of IT power and carrier-neutral connectivity to over 165 operators.

Retelit Avalon 2 Data Center Specifications¶

Cages and customized racks. Authorized access and support: Rack cabinets, Cages. Office space, Remote hands. Carrier neutral. Website: retelit.it/en/infrastructures/avalon-campus

Retelit Avalon 2 Data Center Specifications (Detailed)¶

General¶

• Size: ~300 sqm; floor load: 1,500 kg/sqm.
• Power capacity: 650 kW.
• Direct fiber links to Avalon 1 and Avalon 3 via two independent paths.
• Fully powered by renewable energy.

Security¶

• 24/7 monitoring and surveillance; Access only with prior authorization.

Fire Detection & Suppression¶

• Smoke detection (optical sensors) under floor and on ceiling.
• Automatic shutdown with Novec gas.

Air Conditioning & Cooling¶

• Hot/cold aisle containment for energy efficiency.

Power¶

• 650 kW IT load capacity; Redundant power feeds.

Connectivity¶

• Fully carrier-neutral; Access to 165+ carriers (Azure, Google Cloud, AWS).

LIM Data Center 3 Warsaw, Poland¶

LIM Data Center 3 is a Tier 2+ facility in central Warsaw offering dual-path power, advanced fire protection, and precision cooling with 6+1 redundancy.

LIM Data Center 3 Specifications¶

Cages and customized racks. Authorized access and support: Rack cabinets, Room for rent. Office space, Remote hands. Carrier neutral. Website: limdc.pl/en/

Detailed information about LIM Data Center 3¶

General¶

The facility is a modern, carrier-neutral hub in Warsaw's lower level (-1 floor). It features a raised access floor (68 cm height) with an antistatic PVC finish and hot/cold aisle containment.

Security¶

• Access Control: 24/7 restricted access via electronic card readers; centrally logged entries.
• Monitoring & Surveillance: Continuous CCTV coverage, motion detection sensors, and 24/7 on-site security personnel.

Fire Detection & Suppression¶

• Detection: VESDA (Very Early Smoke Detection) and conventional smoke detectors.
• Suppression: AF-300 system using IG-541 Inergen gas in server rooms; Novec 1230 for power rooms.

Air Conditioning & Cooling¶

• Precision Cooling: 6 primary units + 1 backup (6+1) Mitsubishi Electric i-NEXT cabinets.
• Redundancy: All CRAC units are fed by dual independent power supplies (Route A and B).
• Efficiency: "Free cooling" mode for temperatures below 10 °C.

Power¶

• Utility Feeds: Two independent feeds (A and B) from the municipal grid via separate transformers.
• UPS Backup: Path A includes three Eaton 93PM-G2 units in N+1 configuration.
• Generator Backup: Two diesel generator sets (GSW880M) with ~1.28 MW combined capacity.

Connectivity¶

A carrier-neutral hub hosting nearly 100 operators and 20 metropolitan fiber networks. Features include over 12,000 internal fiber pairs and a 180-meter communications mast on the roof for radio/wireless links.

NTS Workspace – Zurich Data Center, Switzerland¶

NTS Workspace’s Zurich data center delivers high reliability with a Tier IV-inspired design, powered by 100% renewable hydropower.

NTS Workspace Specifications¶

Authorized access and support: 24/7 biometric scanners and secure man-trap entry. Rack cabinets, Remote hands. Carrier neutral. Website: colozueri.ch

Detailed information about NTS Workspace Zurich Data Center¶

General¶

Offers ~1250 m² of raised-floor space and 500 m² for private cages/suites. Designed to Tier IV standards with waste heat recovery and 100% renewable energy.

Security¶

Stringent physical security including biometric access, secure loading locks, 24x7 video surveillance (CCTV), and on-site monitoring.

Fire Detection & Suppression¶

Equipped with an active VESDA system for early detection and Inergen gas fire suppression to protect electronics without water damage.

Air Conditioning & Cooling¶

Fully redundant 2N configuration of CRAC/HVAC units using cold-aisle containment and heat recovery technologies.

Power¶

Each rack is fed by dual independent power feeds (A+B) backed by separate UPS systems and diesel backup generators.

Connectivity¶

Completely carrier-neutral with at least 15 fiber providers on-site (e.g., Arelion, Cogent, Colt, Swisscom). It also houses a core node of the SwissIX Internet Exchange.

firstcolo Data Center Werkhaus, Frankfurt am Main, Germany¶

The firstcolo Data Center Werkhaus in Frankfurt is a Tier-3 certified facility located near DE-CIX, offering high availability and energy efficiency (PUE 1.25).

firstcolo Data Center Werkhaus specifications¶

Cages and customized racks: Private cages, full/partial cabinets, build-to-suit available. Authorized access and support: 24/7 security and technical staff. Rack cabinets, Room for rent, Suites, Cages, Office space, Remote hands. Carrier neutral. Website: firstcolo.net/...

Key features and benefits of firstcolo`s Data Center Werkhaus¶

• Fully redundant design: N+1 UPS and emergency generators; fault-tolerant air conditioning.
• Highest quality standards: Certified Tier 3, ISO 27001, and ISO 9001.
• Green IT Hosting: High energy efficiency with a PUE of approximately 1.25.

Detailed information about firstcolo`s Data Center Werkhaus¶

General¶

A modern facility offering 1,200 m² of technical space supporting up to 24 MW total power capacity.

Security¶

Biometric fingerprint access, CCTV coverage, and 24/7 on-site security personnel. Includes intrusion detection systems (IDS).

Fire Detection & Suppression¶

Advanced RAS/VESDA system and argon gas-based fire suppression with pressure reduction technology. Features F90 walls and multiple independent fire-rated compartments.

Air Conditioning & Cooling¶

Redundant N+2 systems using cold-aisle containment, under-floor air distribution, and direct/indirect free cooling.

Power¶

N+1 redundancy UPS systems and two emergency power generators for uninterrupted supply.