High-density data centers have arrived with the advent of blade servers. But as system density increases exponentially, so does heat generation. These new generation blade servers consume more power and generate more heat. Back-up power and cooling become essential aspects of data center planning.

'In the study, 72 percent of the end users think that the loss of services and revenues is the most detrimental impact to their businesses in the event of a power loss. This is not something to be taken lightly so back-up power is crucial,' Singh said.