System for preparing a predetermined quantity of beverage suitable for consumption using an extractable product, comprising: an exchangeable capsule, an apparatus comprising a fluid dispensing device for supplying an amount of fluid, such as water, to the exchangeable capsule, a receptacle for holding the exchangeable capsule, and an outlet arrangement for supplying the beverage to a container, such as a cup, wherein the capsule comprises a circumferential wall, a bottom, a lid, and an entrance opening portion and an exit opening portion for respectively letting fluid in the capsule and dispensing the fluid from the capsule, wherein such capsule is sealed before use, the circumferential wall, the bottom and the lid enclose an inner space that comprises an extractable product, the system is arranged for bringing the fluid dispensing device in fluid connection with the entrance opening portion of the capsule for supplying the fluid to the extractable product for preparing the beverage, the system is further arranged so that, in use, the outlet arrangement is in fluid communication with the exit opening portion for draining the prepared beverage from the capsule, and the capsule comprises at least one moveable portion arranged to open the respective closed opening portion by being moved with respect to the respective opening portion, characterised in that the entrance opening portion is provided in the bottom of the capsule, in that the at least one moveable portion is arranged to open the closed entrance opening portion by being moved in the direction of the exit opening portion, wherein the entrance opening portion is arranged so that an opening that is created by moving the moveable portion is of approximately predetermined size and is provided at a predetermined location, in that the moveable portion forms at least a part of the bottom, wherein the movable portion comprises cut outs for determining the size and location of the fluid passage opening and for breaking and moving the movable portion with respect to the circumferential wall and/or bottom and wherein the cut outs comprise a thinner section in the bottom of the capsule so as to be able to break open the movable portion. an exchangeable capsule, an apparatus comprising a fluid dispensing device for supplying an amount of fluid, such as water, to the exchangeable capsule, a receptacle for holding the exchangeable capsule, and an outlet arrangement for supplying the beverage to a container, such as a cup, wherein the capsule comprises a circumferential wall, a bottom, a lid, and an entrance opening portion and an exit opening portion for respectively letting fluid in the capsule and dispensing the fluid from the capsule, wherein such capsule is sealed before use, the circumferential wall, the bottom and the lid enclose an inner space that comprises an extractable product, the system is arranged for bringing the fluid dispensing device in fluid connection with the entrance opening portion of the capsule for supplying the fluid to the extractable product for preparing the beverage, the system is further arranged so that, in use, the outlet arrangement is in fluid communication with the exit opening portion for draining the prepared beverage from the capsule, and the capsule comprises at least one moveable portion arranged to open the respective closed opening portion by being moved with respect to the respective opening portion, characterised in that the entrance opening portion is provided in the bottom of the capsule, in that the at least one moveable portion is arranged to open the closed entrance opening portion by being moved in the direction of the exit opening portion, wherein the entrance opening portion is arranged so that an opening that is created by moving the moveable portion is of approximately predetermined size and is provided at a predetermined location, in that the moveable portion forms at least a part of the bottom, wherein the movable portion comprises cut outs for determining the size and location of the fluid passage opening and for breaking and moving the movable portion with respect to the circumferential wall and/or bottom and wherein the cut outs comprise a thinner section in the bottom of the capsule so as to be able to break open the movable portion.