Status quo in the air conditioning of data centers is cooling by mechanically cold air.
The entire room is cooled, but more than half of the cold air does not reach the heat hotspots, like the CPU. In doing so, huge sums of money are literally blown into thin air. One of the alternatives to air cooling is to use methods with water or other liquids. But as soon as the data center industry is confronted with ‘water,’ it frightens them immediately. Water and IT equipment – they do not fit together. Nevertheless, there are a few operators already who rely on the alternative cooling medium.

Read the source article at Data Center Knowledge