Abstract: A sous-vide rack system is disclosed. The system is to be used for supporting sous-vide food items inside sous-vide heating containers and comprises a bottom grating (20) with at least one mounting rail (23), each rail comprising at least one mounting arrangement. The system further comprises at least one separator with at least one separator foot (22) to be inserted into one of the at mounting arrangements. Finally, the system comprises a locking device (24) for at least one of the mounting rails to be used in the mounting rail to lock all into the mounting rail inserted separators by their separator feet to the mounting rail and thus the bottom grating.