Grange Castle Business Park
Dublin, Republic of Ireland


CyrusOne Dublin I is a brand new purpose built state-of-the art data center campus offering cloud providers, systems integrators and multinational corporations customised, secure and resilient data center solutions within a key business hub.

Strategically located in Dublin, one Europe’s premier data centre locations, the facility will ultimately deliver 33,445 sq m (360,000 sq ft) of world-class technical space with an IT load of 54 MW, in three separate buildings of two storeys.

CyrusOne Data Center
Conchobar Murray Avenue
Grange Castle Business Park South
Co. Dublin, Republic of Ireland
Latitude: 53.321308
Longitude: -6.437510

Dublin I – Highlights

  • Overview
  • Power
  • Cooling
  • Security
  • Fire Protection
  • Amenities
  • Connectivity

  • 33,445 sq m (360,000 sq ft) of world-class technical space across a campus of three separate buildings
  • 11,148 sq m (120,000 sq ft) of technical space within each of the three buildings, split across two floors
  • 54 MW of total IT load to the facility, 18 MW to each of the three separate buildings
  • Dedicated electrical plant to each floor
  • Low PUE through the use of free cooling chillers
  • 900 mm heavy duty raised floor with 4,200 mm clear height in the data hall
  • Active / Active dual redundant power supplies of 80 MVA
  • Carrier neutrality and diverse fibre connectivity from multiple providers
  • Secure managed delivery bay with 3 tonne goods lift
  • Multi-layer industry leading levels of physical and electronic security with 24/7 year round onsite support

  • Cooling configured on a resilient ring chilled water system
  • 4.5MW IT capacity cooling solution
  • N+1 Free cooling air cooled chillers
  • Computer Room Air Handing Units at N+25%
  • Circulation pumps N+1
  • Low PUE due to cooling solution and optimum chilled water temperatures to maximise the free cooling hours
  • Cooling infrastructure individually managed and linked to BMS
  • Independently regulated temperature and humidity
  • Power Supplies to cooling equipment for full redundancy configured in a distributed redundant topology

  • Three stage fire detection systems into data halls and UPS plant areas
  • VESDA (Very Early Smoke Detection Apparatus) in data halls and UPS plant rooms for early warning
  • Fire detection in all rooms, ceiling return air plenums and in voids as required
  • Nitrogen filled pre-action sprinkler system to data halls and UPS rooms
  • Double knock approach sprinkler system to all areas, zone activation
  • Fire detection and suppression systems interconnected to central BMS
  • Mains power supplied via 100% rated A&B 110 kV incomers diversely routed active / active with a capacity of 80 MVA
  • All IT power metered and charged as consumed
  • 4.5 MW distributed redundant topology with 4 independent and compartmentalised blocks
  • 99.999% reliability with the ability for concurrent maintainability
  • IT power supplies are derived from primary and reserve feeds from each block via STS’s creating a meshed IT distribution topology between all 4 blocks
  • Distributed redundant UPS topology with 10-minute battery back-up as standard two UPS systems per block
  • Fully rated distributed redundant LV back-up generators with 48-hour fuel autonomy, capable of continuous running
  • Re-fuelling contracts to ensure timely replacement

  • 3 metre high secure perimeter fence to CPNI base specification
  • External CCTV
  • PAS68 rated gates to protect from vehicle attack
  • 24/7 year-round on-site security located in secure control room
  • Extensive CCTV and access control throughout the facility
  • Progressive layers of security to restrict access through the site
  • Mantraps with biometric readers into data halls if required

  • Power and building monitoring systems to provide alarms
  • Power surge management
  • 24/7 year-round on-site M&E engineers undertaking Planned Preventative Maintenance (PPM) programmes
  • Real-time monitoring of electrical and mechanical systems

  • Carrier neutral access and diverse fibre connectivity to active A&B Meet Me Rooms from multiple telecommunication providers including euNetworks, Zayo and CenturyLink

Construction Progress

Dublin Location Construction photo.
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Dublin Location Construction photo.
Construction progress context copy goes here
Dublin Location Construction photo.
Construction progress context copy goes here