Slough Trading Estate
Slough, UK


Strategically located in Slough, one of the UK’s premier data center locations, CyrusOne London I delivers 9.3MW of IT power to 4,330 sq m (46,608 sq ft) of world-class technical space.

The facility is purpose-built, offering industry- leading energy efficiencies, the latest Indirect Adiabitic Cooling technology, uniquely low PUEs, multilayer security and carrier neutrality with diverse routes and Tier lll+ level of resilience.

CyrusOne Data Center
12 Liverpool Road Slough, Berkshire SL1 4QZ
United Kingdom

London I – Highlights

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

Photo of CyrusONe London I Facility.

  • Active/Active dual redundant power supplies of 15MVA
  • Fully flexible solutions with IT power of 2,000W/sq m (186W/sq ft) and higher if required
  • Highly resilient, concurrently maintainable power and colling to Tier lll+
  • Carrier neutrality and diverse fiber connectivity
  • 4,330 sq m (46,608 sq ft) of technical space within one building on two floors
  • Onsite electric vehicle charging points
  • Dedicated UPS plant to each data hall
  • Ultra-low PUE through the use of Indirect Adiabatic Air Cooling Rainwater recovery
  • 1,400 mm return air plenum with 4,400 mm clear height in the data hall
  • Secure managed delivery bay with 3-tonne goods lifts
  • Floor loading 10kN per sq m
  • Multilayer industry leading levels of physical and electronic security
  • 24/7 year round onsite support

Photo of CyrusOne London I cooling system.

  • N+1 adiabatic cooling plant, dedicated to each hall
  • Modular cooling infrastructure individually managed and linked to BMS
  • Dedicated Pressurisation AHU’s at N+1 to each hall
  • Independently regulated temperature and humidity to each space

Photo of CyrusOne London I Fire extinguishing system.

  • Data halls and critical A&B plant rooms are constructed from one hour fire rated enclosures to create separate fire zones
  • Three stage fire detection systems into data halls and UPS plant areas
  • VESDA (Very Early Smoke Detection Apparatus)
  • Fire detection in all rooms and in voids as required
  • Gas suppression to data halls and UPS rooms with dedicated bottles
  • Double knock approach gas suppression to all areas, single 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 15 MVA
  • All IT power metered and charged as consumed at dedicated MV and LV meters
  • N+N power solutions dedicated to each hall, with separate UPS strings
  • Minimum N+N UPS with 10-minute battery back-up as standard
  • Fully rated N+1 MV back-up generators with 48-hour fuel autonomy at full load, capable of continuous running
  • Refueling contracts to ensure timely replacement

Photo of CyrusOne London I power supply.

  • 3 metre high secure perimeter fence
  •  External CCTV and Geoquip trembler wire to fence
  • Vehicle lock to site entrance with dual gates and rising bollards
  •  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 can be provided if required

Photo of CyrusOne London I security fence.

  • Power and building monitoring systems to provide alarms
  • Power surge management
  • Dedicated 24/7 year round facilities management team
  • 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 via diverse active A+B Meet Me Rooms to multiple telecommunication providers including Zayo, Cogent Communications, euNetworks, CenturyLink.
  • BT, Virgin Media, Colt, KCOM, SSE Telecoms, Vodafone, Verizon and GTT telecommunication providers are also within 100 meters of the facility with potential for quick deployment.
  • IBM Cloud on-ramp available onsite
  • Megaport point of presence available onsite providing network access to services without a cloud on-ramp
  • Strict cable management policy