System for preparing a predetermined quantity of beverage suitable for consumption using an extractable product, comprising: an exchangeable capsule, and an apparatus comprising a receptacle for holding the exchangeable capsule, and a fluid dispensing device for supplying an amount of a fluid, such as water, under pressure to the exchangeable capsule, wherein the exchangeable capsule comprises a circumferential wall, a bottom closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom, wherein the wall, bottom and lid enclose an inner space comprising the extractable product, wherein the bottom comprises an entrance area and the system is arranged for bringing the fluid dispensing device in fluid connection with the entrance area for supplying the fluid to the extractable product for preparing the beverage, wherein the lid comprises an exit area and the system comprises an outlet which, in use, is in fluid communication with the exit area for draining the prepared beverage from the capsule and supplying the beverage to a container such as a cup, wherein the receptacle comprises bottom piercing means intended for piercing the entrance area of an alternative capsule for creating at least one entrance opening for supplying the fluid to the extractable product through said at least one entrance opening, and characterized in that the entrance area of the capsule of the system comprises an entrance filter for supplying the fluid to the extractable product there through which entrance filter, in use, is positioned at a distance from the bottom piercing means, such that the capsule of the system is not pierced by the bottom piercing means and the bottom stays intact, wherein the entrance filter is formed by a flexible foil, such as a polymeric film, provided with a plurality of entrance openings, or a plurality of entrance openings provided in the bottom of the capsule of the system, and wherein the entrance openings are arranged to open under pressure. an exchangeable capsule, and an apparatus comprising a receptacle for holding the exchangeable capsule, and a fluid dispensing device for supplying an amount of a fluid, such as water, under pressure to the exchangeable capsule, wherein the exchangeable capsule comprises a circumferential wall, a bottom closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom, wherein the wall, bottom and lid enclose an inner space comprising the extractable product, wherein the bottom comprises an entrance area and the system is arranged for bringing the fluid dispensing device in fluid connection with the entrance area for supplying the fluid to the extractable product for preparing the beverage, wherein the lid comprises an exit area and the system comprises an outlet which, in use, is in fluid communication with the exit area for draining the prepared beverage from the capsule and supplying the beverage to a container such as a cup, wherein the receptacle comprises bottom piercing means intended for piercing the entrance area of an alternative capsule for creating at least one entrance opening for supplying the fluid to the extractable product through said at least one entrance opening, and characterized in that the entrance area of the capsule of the system comprises an entrance filter for supplying the fluid to the extractable product there through which entrance filter, in use, is positioned at a distance from the bottom piercing means, such that the capsule of the system is not pierced by the bottom piercing means and the bottom stays intact, wherein the entrance filter is formed by a flexible foil, such as a polymeric film, provided with a plurality of entrance openings, or a plurality of entrance openings provided in the bottom of the capsule of the system, and wherein the entrance openings are arranged to open under pressure.