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 capsule comprises an inwardly extending rim at the first end, wherein the bottom is attached to the inwardly extending rim, wherein the capsule 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 capsule 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 entrance area of the capsule of the system comprises an entrance filter provided with a plurality of entrance openings for supplying the fluid to the extractable product there through, characterized in that the bottom comprises said entrance area and the lid comprises said exit area, 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, in that the 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, in that the entrance openings are slits, and in that the slits have a shape that defines a tongue in the plane of the bottom. 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 capsule comprises an inwardly extending rim at the first end, wherein the bottom is attached to the inwardly extending rim, wherein the capsule 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 capsule 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 entrance area of the capsule of the system comprises an entrance filter provided with a plurality of entrance openings for supplying the fluid to the extractable product there through, characterized in that the bottom comprises said entrance area and the lid comprises said exit area, 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, in that the 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, in that the entrance openings are slits, and in that the slits have a shape that defines a tongue in the plane of the bottom.