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Seznam.cz Case Study: Building a Cutting-Edge Datacenter In Record Time | Legrand United Kingdom

Customer Cases

SEZNAM - The Czech Search Engine Giant

Seznam.cz, the Czech Search Giant, commands over 25% of the Czech searchmarket. Offering an impressive array of 50 services including search, maps, email, and news,Seznam.cz has tailored its offerings to meet the unique needs of Czech users. When faced withan urgent need to build a 3MW data center in just 12 months, Seznam.cz turned to Legrand forinnovative solutions, transforming a crisis into an opportunity for sustainable growth.

Partnering with Legrand to complete this project in such a short timeframe was a testament to both teams' dedication and innovative spirit. The new data center not only meets our current needs but also positions us for future growth!

Vlastimil Pečinka
CTO of Seznam.cz

The Challenge

SEZNAM

In January 2022, Seznam.cz's primary hosting partner unexpectedly announced the termination of their contract. While the COVID-19 pandemic had altered circumstances, Seznam.cz knew they had to act immediately, given that the contract was set to end in May 2023. This left Seznam.cz with a critical challenge:
 

  • Construct a new 3MW data center from scratch within 12 months
  • Avoid service disruptions for millions of Czech users
  • Maintain commitment to sustainability while integrating cutting-edge technologies
  • Ensure scalability for future growth and emerging technologies like AI
  • Implement advanced power management and cooling solutions in a limited timeframe

The Solution

Legrand partnered with Seznam.cz to deliver a state-of-the-art, sustainable data center solution that met their tight deadline while prioritizing efficiency and future-readiness:

Two main rooms - one immediately operational, one reserved for future expansion
Infrastructure ready to support high-density computing and AI workloads

Raritan's PX3-5000

Advanced Power Management


Raritan's PX3-5000 intelligent PDUs, providing:
 

  • Real-time power monitoring at the outlet level
  • Remote power control for enhanced efficiency
  • Environmental sensors for comprehensive data center health monitoring
     

Integration with Seznam.cz's DCIM system for centralized management and analytics

Starline busway

Innovative Power Management


  • Starline busway system for flexible and scalable power distribution, allowing for easy future expansions

  • Four independent power feeds for enhanced reliability and redundancy

ODF racks

Optimized Space Utilization


  • Custom-designed ODF racks to maximize space efficiency

  • Pre-connected fiber solutions for rapid deployment and reduced installation time

  • Cablofil wire mesh cable management system for organized and accessible cabling

The Results

legrand case study

  • PUE of 1.15, placing it among the top 10% most efficient data centers globally
  • 30% reduction in energy costs compared to the previous facility
  • 99.999% uptime achieved in the first six months of operation
  • Capacity to support a 40% increase in daily active users without additional infrastructure
  • Projected 15% reduction in operational costs through future grid integration

Key Takeaways


  1. Crisis as opportunity:
    The urgent need for a new data center drove innovation and efficiency improvements, showcasing Legrand's ability to deliver under pressure.
  2. Sustainability pays off:
    Green technologies reduced costs and opened new revenue streams, including potential grid integration for additional income.
  3. Strategic partnerships are crucial:
    The collaboration between Seznam.cz and Legrand was key to meeting the tight deadline and implementing advanced solutions that exceeded expectations.
  4. Long-term thinking in fast-paced environments:
    Despite time pressure, the solution provided by Legrand allowed Seznam.cz to plan for future expansion and technological shifts, including AI readiness.
  5. Integrated solutions deliver superior results:
    Legrand's comprehensive approach, combining power, cooling, and space management solutions, resulted in a highly efficient and flexible data center.
Legrand Data Centers Solutions

Legrand Data Centers Solutions


Durable integrated solutions for an infrastructure which can be relied on to perform all circumstances. It is now time to empower your data center with our cutting-edge, highly customizable solutions designed for maximum performance and efficiency.

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