Unlike its family, this technology is installed inside the rack and the circulation of hot and cold air takes place only inside the specified rack space, and the rack in question has no air connection with the outside space

Compared to its family, the desired technology has a much lower cooling capacity and is suitable for racks with low thermal capacity. On the other hand, since it is not recommended to allow water to enter the space of servers and other active equipment, therefore, this cooling model is usually with DX-type working fluid