CyrusOne London III

700 Stirling Rd

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Built-in 2021, CyrusOne London III is a purpose-built data center offering cloud providers, systems integrators, and multinational corporations customized, secure, and resilient data center solutions within a key business hub.

  • 3,670 sq m (39,504 sq ft) of technical space within one building on two floors
  • 9 MW IT load to the facility
  • Highly resilient, concurrently maintainable power and cooling to Tier III
  • Dedicated electrical plant to each floor
  • Ultra-low PUE through the use of Indirect Adiabatic Air Cooling
  • 1,400 mm return air plenum with 3,400 mm clear height in the data hall
  • Active / Active dual redundant power supplies of 15 MVA
  • Carrier neutrality and diverse fibre connectivity to active A+B Meet Me Rooms 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

Map and Nearby Locations:

700 Stirling Rd
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Sites within 15 miles of CyrusOne London III

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Distance Site About
0.24 miles Equinix LD12
0.24 miles Equinix LD14
0.26 miles QTS London
0.26 miles Equinix LD5
Equinix's LD5 datacenter is part of Equinx's Slough Campus, an important Financial trading hub. More details can be found on the Slough Campus page.
0.26 miles Equinix LD10
0.28 miles VIRTUS Slough London 3 and 4
The datacenter first opened in 2014 by Infinity SDC, but in 2015 VIRTUS acquired the site which is now called London 3. London3 is the closest (non-Equinix) facilities to Equinix's LD4 making it an option to be part of the financial trading ecosystem, but colocated outside of Equinix.
0.28 miles CyrusOne London I
Located in Slough, one of the UK’s premier data center locations, CyrusOne London I delivers 9MW of IT power to 4,300 sq m of technical space.
0.29 miles Iron Mountain London LON-1
Strategically located in the Slough Trading Estate, LON-1 is a 183,000 SF colocation facility on Iron Mountain's 5.5-acre London data center campus. Enjoy close proximity to one of Europe's largest network ecosystems. The site was acquired in a sale-leaseback transaction with Credit Suisse
0.30 miles Equinix LD13x
0.30 miles Iron Mountain London LON-2
0.31 miles Equinix LD7
0.35 miles Equinix Slough Campus LD4, LD5, LD6, LD10
Critical to London’s Financial industry, Equinix’s collection of non-contigous data cetners in Slough function as a virtual campus via innerduct paths that connect them. The campus is one of the largest data centres in London.
0.36 miles Equinix LD6
0.42 miles China Mobile Slough
0.43 miles Equinix LD4
Equinix's LD4 datacenter is part of Equinx's Slough Campus, an important Financial trading hub.
0.45 miles VIRTUS LONDON10
0.45 miles Logicalis Slough
0.47 miles Level3 Slough
0.48 miles VIRTUS London 11
0.50 miles GoDaddy Slough (HEG)
0.50 miles Equinix LD11x
0.50 miles Rackspace London Slough (LON3)
Raised Flooring: 5,000 sq m 15 MVA Total Utility Power Manned 24x7x365
0.59 miles Cyxtera Slough LO5
Cyxtera's LO5 site in Slough West of London was acquired via a $2.8 billion transaction to acquire 57 datacenters from CenturyLink. The transaction which closed in May 2017 created Cyxtera Technologies.
0.60 miles VIRTUS LONDON9
0.66 miles GTR Slough
The campus will comprise of three independent data centres capable of operating individually, or as one interlinked campus,
0.67 miles CyrusOne LON5
0.77 miles NTT Slough 3
The site was previously known as "Gyron Ajax 2 - Slough" before being acquired by NTT.
0.78 miles NTT Slough 2
0.81 miles Kao Data Slough
2.45 miles Yondr Slough
The 1st phase was completed in 2024. The 2nd phase will be completed in late 2025.
3.92 miles Pulsant Maidenhead P1
4.24 miles iomart DC5 Maidenhead
7.42 miles Zayo Egham
7.46 miles VIRTUS Stockley Park Campus
LONDON6 was opened
7.76 miles DRT London (West Drayton)
7.82 miles CyrusOne: London II
7.90 miles CyrusOne London II (Stockley Park)
The London II datacenter was originally built by Infinity SDC.
9.11 miles DRT London (Cresses Business Park)
9.22 miles ServerFarm London
3,000 m² of data hall expansion space available within 6 – 9 months Concurrently maintainable standards
9.48 miles CentriLogic Berkshire
CentriLogic operates a the data center in the heart of the Thames Valley. From this facility, CentriLogic delivers customers its comprehensive suite of hybrid hosting, cloud computing, co-location, and managed services.
9.51 miles Ark: Union Park
There are 21 Data Halls of approximately 1250m2 each, to be deployed at approximately 3MW per hall.
9.68 miles Level3 Bracknell
9.80 miles VIRTUS Hayes London2
9.97 miles Ark: Longcross
10.43 miles Verizon London UK4
10.68 miles Redcentric Hounslow
11.39 miles Barclays Data Centre
11.83 miles DRT London (Chess Building)
12.68 miles Cyxtera Reading LHR3
Southern Electric provides power feeds Power density minimum(W/sf) = 150
12.69 miles Echelon LCY20
13.66 miles Redwire
13.82 miles Virtus: Saunderton, Buckinghamshire.
UK data center company Virtus plans for a new campus in Saunderton, Buckinghamshire. At full build-out, the campus will feature four data center buildings totaling 75MW of IT capacity.
13.88 miles 4D Surrey
Based in Byfleet, 4D's Tier-3 Surrey data centre is close to M25 and about 30 minutes to London Waterloo. It's carrier neutral and offers u-space, quarter, half and full racks with options for data halls and suites.
14.05 miles NaviSite Woking
14.05 miles Redcentric Woking TC3
14.07 miles Digital Realty Woking
14.07 miles CyrusOne London Woking
14.35 miles Pulsant Reading East 2
15.22 miles Equinix London LD3
15.70 miles Vantage London II
15.75 miles Options West London
15.89 miles Equinix London LD9 Powergate
LD9 is located in West London's Park Royal campus. The data centre was a Telecity managed facility before Equinix acquired Telecity in July 2016.
15.89 miles Vantage London I Campus
15.92 miles Colt Powergate
The Powergate data center is outside of the heart of the city but within zone 2, making the site easily accessible. This Colt tier III facility provides over 3,700m2 of data centre space and 15 MVA of power.
16.61 miles Amito Reading
16.68 miles Redcentric Reading
17.26 miles LDeX London LDeX1
18.09 miles DRT London (Chessington)
The 50,000 sq ft technical Tier III+ rated Chessington facility has five data halls each of about 1,000 sq m and with 1,440kW Uninterruptible Power Supply (UPS) capacity
18.09 miles NTT Hempstead4
18.23 miles NTT Hempstead 3
18.32 miles NTT Hempstead 2
18.36 miles NTT Hempstead 1
18.49 miles Datum FRN1
18.52 miles Ark: Cody Park
29 data centres across 6 buildings on a 36 acre high security data centre campus owned and operated by Ark.
19.20 miles Visa United Kingdom

CyrusOne London III Data Center Photos

Rendering of Cyrus's Third Data Center in Slough
Source: CyrusOne

Operating Company

CyrusOne Inc, incorporated on July 31, 2012, is an owner, operator and developer of enterprise-class, carrier-neutral, multi-tenant datacenter properties. CyrusOne's data centers are purpose-built facilities.

The CyrusOne National IX Platform (the National IX Platform) delivers interconnection across states and between metro-enabled sites within the CyrusOne footprint and beyond. The platform enables data transfer and accessibility for customers by uniting all of the Company’s data centers. CyrusOne’s portfolio is located in several domestic and international markets. It has domestic properties in Chicago, Dallas, Houston, Phoenix, San Antonio and Cincinnati.

Company History:

July 2010: Cincinnati Bell acquires CyrusOne [r3]
Jan 2013: CyrusOne IPO [r2]
July 2014: Acquired Cervalis [r1]


r1. Businesswire link July 1, 2015
r2. link Jan 18, 2013
r3. CyrusOne PR link

70 Facilities Owned
27 Markets Served
933.42 Megawatts
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Name Date Added Description
london-iil-spec-sheet January 2019

London 3 Data Sheet (PDF)