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Our Data Centre has delivered 100% uptime since its 2011 opening: ONI customers can focus on core business activities with no concerns over potential outages."

Data Halls

  • UK data centre
  • ISO 27001
  • Tier 3+
  • Two data halls: 240 racks
  • Raised floor for effective air flow, temperature regulation and fire suppression

Data Hall Security

  • Optional PCI compliant racks with CCTV camera
  • Audited swipe card entry
  • Multi-factor authentication
  • RFID rack entry security
  • Enterprise-grade firewall
  • DDoS mitigation
  • Access via private VLAN


  • Carrier neutrality via 13 Tier 1 providers: use your carrier of choice
  • Cross connects (multiple outbound routes) to a diverse fibre network
  • Existing fibre connections between over 200 European data centres: improved value and faster set-up
  • Direct connectivity to highly resilient SIP services and IP Transit


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With around-the-clock, enterprise-grade security from the perimeter to each rack, all our customers' data and infrastructure are protected, always."

  • Steel palisade perimeter fence
  • Electronic security gates
  • HD CCTV monitoring with infra red night vision
  • Motion detectors
  • Intruder and proximity alarms
  • 24/7 security personnel


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We're conveniently located in Luton, ten minutes from the M1, and 30 minutes by train from London St Pancras Cross Station."

  • Opened in 2011
  • Owned and operated by ONI
  • Secure, on-site parking
  • Transport links: London Luton Airport, M1 Junction 10, Luton railway station
  • Kitchen and meeting rooms
  • Showers and toilets
  • Pre-stage labs – controlled environment for build and test, de-risking new deployments


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Our high efficiency power supply systems are designed to deliver the exceptional resilience required for our 100% power-on SLA."

  • PUE: 1.3
  • On-site supply: 1MvA 11k
  • 2 plant rooms; separate power distribution boards
  • N+1 configuration UPS: 100% continuous supply; zero down time
  • Diesel backup with 24 hour on-site fuel supply
  • N+1 16/32amp rack power, independent A+B power feed configuration into each Data Hall
  • Up to 20kw per rack
  • Power-on SLA: 100%


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Highly sensitive fire detection and control systems are in place that quickly and effectively minimise damage and disruption in the unlikely event of a fire."

  • Three-stage VESDA fire detection in all plant areas
  • IG55 inert gas suppression systems
  • Multi-component solution protecting the entire facility, for the effective containment and rapid extinguishing of any fire.


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The ONI culture of absolute flexibility, our exceptional technical expertise, and our extensive infrastructure capabilities add up to a uniquely attractive service for all our customers."

  • Fully qualified engineers, 24/7
  • "Remote hands" or fully managed service
  • A safe pair of hands: ITIL best practice framework and ISO 27001
  • Migration Service: qualified technical resource to manage migration of equipment into the data centre
  • Proactive monitoring: enterprise grade service ensuring datacentre facilities always operate to our 100% SLA
  • Support for third party engineers
  • Managed firewall
  • Cable and rack migration
Security begins long before you reach the data halls. Discover how we control physical access to the site.
Learn about the various facilities available on site, from meeting rooms and kitchens to pre-stage labs.
Find out about the redundant power and cooling systems that ensure the lights never go out.
See our multiple defences against the risk of fire.
Discover ONI's On-Site Technical Assistance Centre – a safe pair of hands for your systems.
Explore our data halls' capacity, capabilities, security and connectivity.