Cold plate for a supercomputer compute blade, said cold plate delimiting at least one opening configured to receive at least one heat sink configured to cool at least one electronic component, said cold plate comprising a cooling circuit, comprising channels within which is configured to circulate a “cold” heat transfer fluid to supply said at least one heat sink, and a discharge circuit, comprising channels within which a “hot” heat transfer fluid is configured to circulate after heating through the at least one heat sink, said cold plate consists of an assembly of several separate elements, wherein each pair of adjacent elements fluidly connected at a portion of the cooling circuit or of the discharge circuit comprises a sealing member at the interface of said connection.