A high-pressure press is disclosed which includes a high-pressure vessel enclosing a high-pressure chamber and a high-pressure medium; a housing, separating a volume from the high-pressure press chamber, arranged for holding a fluid; a fan arranged in the high-pressure press chamber outside the housing for circulating the high pressure medium in the high-pressure press chamber; a motor, arranged in the housing and operatively connected to the fan for driving the fan; a cooling device for cooling a portion of the housing wall; and a pumping device arranged for circulating the fluid, the fluid providing a transfer of cold from the portion of the housing wall to the motor, the cooled circulation of the fluid being separated from the high-pressure press chamber by the housing.