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16. 04. 2025
The cold revolution in data centres
In a world where digital streams are becoming more powerful and information traffic is growing at an incredible rate, cooling data centres is no longer a secondary concern. Today's high-performance servers, cloud computing, big data, artificial intelligence and mobile applications create heat loads that traditional systems can no longer cope with.
The Vertiv™ Liebert® DCD is an innovative solution that goes beyond cooling to revolutionise the way data centres think about energy consumption and efficiency.
Once upon a time, heat loads of more than 10 kW per server rack were rare and were mostly found in research facilities that were involved in complex process modelling or particle accelerator data analysis. Today, however, such workloads are the new normal. Colocation providers, telecommunications companies, and cloud giants are increasingly faced with the challenge of cooling server cabinets that operate in ultra-dense mode.
This is where a simple but ingenious solution comes in - cooling doors. The Liebert DCD system is integrated directly into the rear door of the server enclosure and starts working as soon as warm air passes through the heat exchanger. Excess heat is removed via a chilled water circuit, which can even be directed to external heat recovery systems. This is a complete liquid cooling system that integrates directly into the server rack and ensures a stable temperature even with a thermal load of up to 50 kW per rack.
Importantly, the whole system does not require additional fans or insulation of hot/cold aisles, and tests prove that server fans operate with almost the same efficiency as without cooling doors. Minimum back pressure - maximum benefit.
A key advantage of the Liebert DCD is its high level of energy efficiency. The ability to work with chilled water at relatively high temperatures is ideal for free cooling applications. If the water source is a lake, groundwater or an external heat recovery system, the system's efficiency is further enhanced
Case study: EPFL in Lausanne cools its data centres with the waters of Lake Geneva, the University of Konstanz with Lake Constance, and in Munich, data centres use the powerful local artesian aquifers.
The Liebert DCD is available in various sizes from 42U to 47U, with a width of 600-800 mm. It can be integrated not only with branded cabinets, but also adapted to any other. The fact that it does not require an electrical connection and is easy to maintain makes it particularly attractive for infrastructures where reliability is paramount.
The Vertiv Liebert DCD is more than just a data centre component. It is a smart, flexible and efficient cooling solution for modern data centres. It ensures the stable operation of high-performance IT equipment, reduces energy consumption and opens up new opportunities for the use of renewable energy sources.