The paper deals with the cooling approaches and aims at using solutions for the energy effi cient and economically viable high densi ty computing system construction and usage. Power consumption of the standalone high densi ty computing systems and supercomputing clusters with different types of cooling has been considered and their characterist ics have been estimat ed. The influence on the overall budget of the system construction and exploitation for 5 years of l ife time has been analyz ed.
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