The recommended temperature for a data center is estimated between 21°C and 24°C. In addition to,some studies regarding the desired temperature in a data center shown that maybe it is not so optimal (money-wise) for firms to keep the temperature below 21°C. Furthermore, typical data center limit temperatures have been estimated to be 85°C for processors and DIMMs, while disk drives can usually work in stricter conditions, at a maximum of 45°C. 