NTT Hempstead 3

Gyron Campus

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Located at a 9.5 acre (38,500m2) site near two existing Gyron data centers in Hemel Hempstead, northwest of London.

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Gyron Campus
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Sites within 15 miles of NTT Hempstead 3

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Distance Site About
0.13 miles NTT Hempstead 1
0.32 miles NTT Hempstead 2
0.36 miles NTT Hempstead4
8.15 miles Thrive Luton
8.15 miles DRT London (Chess Building)
8.34 miles Echelon LCY20
11.13 miles Colt London North: Welwyn Garden City
London, Welwyn Garden City is a carrier neutral facility situated just 35 minutes train journey north of London’s Kings Cross station.
11.13 miles INAP North London
INAP's North London data center is located within Colt's facility on Black Fan Road
15.29 miles Barclays Data Centre
15.99 miles LDeX London LDeX1
17.12 miles Coreix Enfield
17.40 miles VIRTUS Stockley Park Campus
LONDON6 was opened
17.41 miles Options West London
17.51 miles DRT London (Cresses Business Park)
17.54 miles Equinix London LD3
17.65 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.
17.66 miles Vantage London I Campus
17.73 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.
17.82 miles Vantage London II
17.89 miles CyrusOne London II (Stockley Park)
The London II datacenter was originally built by Infinity SDC.
17.90 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.
17.94 miles CyrusOne: London II
18.00 miles VIRTUS London1 Enfield
18.03 miles Redwire
18.04 miles Ark: Union Park
There are 21 Data Halls of approximately 1250m2 each, to be deployed at approximately 3MW per hall.
18.23 miles CyrusOne London III
Built-in 2021, CyrusOne London III is a purpose-built data center offering over 39,000 sqft of technical space.
18.25 miles Level3 Slough
18.29 miles Yondr Slough
The 1st phase was completed in 2024. The 2nd phase will be completed in late 2025.
18.29 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.
18.30 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
18.30 miles Iron Mountain London LON-2
18.31 miles Equinix LD10
18.32 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.
18.36 miles Equinix LD12
18.37 miles Equinix LD14
18.38 miles Equinix LD7
18.40 miles Equinix LD13x
18.42 miles Rackspace London Slough (LON3)
Raised Flooring: 5,000 sq m 15 MVA Total Utility Power Manned 24x7x365
18.44 miles GoDaddy Slough (HEG)
18.44 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.
18.45 miles Logicalis Slough
18.45 miles VIRTUS Hayes London2
18.46 miles VIRTUS LONDON10
18.47 miles Equinix LD6
18.48 miles QTS London
18.48 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.
18.51 miles VIRTUS LONDON9
18.56 miles Equinix LD4
Equinix's LD4 datacenter is part of Equinx's Slough Campus, an important Financial trading hub.
18.58 miles NTT Slough 3
The site was previously known as "Gyron Ajax 2 - Slough" before being acquired by NTT.
18.59 miles GTR Slough
The campus will comprise of three independent data centres capable of operating individually, or as one interlinked campus,
18.60 miles Equinix LD11x
18.61 miles NTT Slough 2
18.63 miles VIRTUS London 11
18.63 miles China Mobile Slough
18.64 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.
18.66 miles Kao Data Slough
19.34 miles DRT London (West Drayton)
19.57 miles Ark: Meridian Park

NTT Hempstead 3 Data Center Photos

Drone shot of HH3

Operating Company

Global Data Centers is a division of NTT DATA. The company is one of the largest in the data center providers in the world, spanning more than 20 countries and regions, including the Americas, Asia Pacific, EMEA and India. NTT is routinely recognized as a Leader by leading networking and data center analysts.

As a neutral operator, NTT offers access to multiple cloud providers, a large variety of internet exchanges and telecommunication network providers including our own IPv6-compliant Tier 1 Global IP Network.

81 Facilities Owned
30 Markets Served
940.3 Megawatts
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Name Date Added Description
gdc_emea_brochure_hh3_en__1_ July 2022

HH3 Data Sheet (PDF)