Cooling system for computer components

The invention relates to a cooling system for immersed computer components, which comprises: a cooling bath tank containing a cooling fluid that flows inside same from at least one outlet to at least one inlet, the cooling bath tank being configured and arranged to have placed therein, at least partly immersed in the cooling fluid contained in same, at least one first portion of at least one computer component to be cooled; and at least one refrigeration unit designed to collect and refrigerate the cooling fluid that exits from the at least one inlet and to re-introduce it, once refrigerated, through the at least one outlet into the cooling bath tank, the system being characterised in that the at least one refrigeration unit is configured to be inserted inside the cooling bath tank, at least partly immersed in the cooling fluid contained in same, and to be removed from same.