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1 Blossom Way HP2 7TN Hemel Hempstead United Kingdom
NTT DATA (GDC 04)

Located 35km northwest of London, the Hemel Hempstead 4 Data Center serves as a high-capacity hub within the Greater London Urban Area. The facility provides 4,800m² of dedicated server space designed to support complex IT and network infrastructures. Its strategic positioning offers direct connectivity to major carrier hubs in Slough and the London Docklands, enabling low-latency access and resilient enterprise networking.

Power Infrastructure and Reliability

The data center supports a total critical IT load of 12MW, engineered for high-density deployments. It operates on dual dedicated 11,000V high-voltage grid connections configured in a 2N architecture, backed by an on-site substation with a 60MVA capacity. A minimum N+1 UPS system with battery backup ensures seamless power continuity during primary supply interruptions.

Connectivity and Carrier Access

As a carrier-neutral facility, Hemel Hempstead 4 offers a diverse range of connectivity options from global Tier 1 providers to regional carriers. Access is delivered through redundant Carrier-Meet-Me-Rooms (MMRs), enabling robust network redundancy, low-latency routing, and flexible interconnection for mission-critical workloads.

Advanced Cooling and Climate Control

The facility utilizes a centrally managed cooling infrastructure integrated with the building management system (BMS). Data suites are maintained by precision room air conditioning units that regulate both temperature and humidity. The cooling architecture is designed with a minimum N+1 redundancy to ensure environmental stability during maintenance or equipment failure.

Physical Security and Access Control

Security is implemented through a comprehensive, multi-layered model operating 24/7. The perimeter is fully fenced and monitored by internal and external IP CCTV systems. Access control includes proximity card authentication, biometric verification, and man-trap entry points. On-site security personnel continuously oversee all entry and operational zones.

Compliance, Safety, and Technical Support

The data center maintains multiple industry certifications, including ISO 27001, ISO 9001, ISO 14001, and PCI DSS compliance. Fire protection is provided through automated gas suppression systems within technical areas. Clients benefit from 24/7 on-site technical staff and Remote Hands services, ensuring immediate support for hardware management and operational requirements.

Why Choose London Dc 28

London Dc 28 data center is built to meet the demands of modern enterprises, offering robust infrastructure, premium connectivity, and top-tier security. Whether you're deploying a single server or scaling to multiple racks, each facility is engineered for performance, reliability, and flexibility.

Tier III Certified

Redundant infrastructure with 99.99% uptime guarantee

Premium Connectivity

Multiple carrier options and low-latency connections

Advanced Security

Biometric access, 24/7 monitoring, and CCTV surveillance

Prime Location

Central London location with excellent transport links

Expert Support

Local technical team available 24/7 for remote hands

Scalable Solutions

From single rack to private cage configurations

Technical Specifications

Comprehensive infrastructure details for London Dc 28

Total Critical Power

12 MW

Indicates the maximum uninterrupted power capacity the facility can support during operation.

UPS Redundancy

N+1

Ensures continuous power supply via redundant UPS systems in case of failure.

Automatic Firesuppression

Instantly detects and suppresses fires without manual intervention.

Meet-Me-Room (MMR)

Enables cross-connection between carriers and customers within the facility.

Fenced Perimeter

Enhances physical security with a secure perimeter barrier.

CCTV Surveillance

Monitors premises in real-time for safety and compliance.

Biometric Access Control

Secures critical areas with fingerprint or retinal scanning systems.

Card Access Control

Allows controlled entry through RFID or magnetic access cards.

Onsite Security Staff

Ensures 24/7 monitoring by trained security personnel.

Total Whitespace

4,800 Sq.m.

Indicates available raised floor space for IT infrastructure.

Onsite Technical Staff

Certified technicians available on-site to assist with technical needs.

Key Performance Metrics

99.99%
Uptime SLA
12 MW
Total Power
24/7
Remote Hand Support

Compliance & Certifications

PCI DSS
PCI DSS
Certified
ISO 27001
ISO 27001
Information Security
ISO 9001
ISO 9001
Quality Management
ISO 14001
ISO 14001
Environmental Management

Our Colocation Plans

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