Abstract: The invention relates to an apparatus (1) for preparing a beverage comprising a holder (14) with an inner space (S) for accommodating at least one container (11) with a soluble or ex-tractable product to obtain said beverage, wherein said inner space has a non-planar surface (20) defining at least a first holding structure (21) and a second holding structure (22), respectively arranged to hold containers (11A; 11B) of at least a first dimension (D1) and a second dimension (D2), as defined by an edge (23) of said containers, substantially along said edge of said containers. Accordingly, an apparatus is provided that allows to hold a plurality of containers 11 of different dimensions while maintaining appropriate extraction characteristics.