225B Bath Road
Slough, UK

London IV

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

Strategically located in Slough, one of the UK’s premier data center locations, the facility will ultimately deliver 10,353 sq m (111,444 sq ft) of world-class technical space with an IT load of 18 MW.

CyrusOne Data Center,
225B Bath Road, Slough SL1 5PP
United Kingdom

London IV – Highlights

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

Aerial rendering of London IV facility.

  • 10,353 sq m (111,444 sq ft) of technical space within one building on two floors
  • 18 MW IT load to the facility
  • Highly resilient, concurrently maintainable power and cooling to Tier III
  • Dedicated electrical plant to each floor
  • Low PUE through the use of free cooling chillers
  • 900 mm heavy duty raised floor with 3,600 mm clear height in the data hall
  • Active / Active dual redundant power supplies of 27 MVA
  • Carrier neutrality and diverse fiber 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

London cooling photo.

  • Cooling configured on a resilient ring chilled water system
  • 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 maximize 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

Fire extinguisher photo of London IV facility.

  • 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 33 kV incomers diversely routed active/active with a capacity of 27 MVA
  • All IT power metered and charged as consumed
  • 5 MW distributed redundant topology with 4 independent and compartmentalized blocks
  • 99.9% 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-fueling contracts to ensure timely replacement

Power source photo inside London four facility.

  • 3-meter-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

Photo of security fence at London four facility.

  • 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) programs
  • Real-time monitoring of electrical and mechanical systems

Hallway photo of London IV facility.

Virtual Tour