Device for storing articles in a controlled atmosphere, including: - at least one storage module suitable for receiving the articles to be stored; the storage module being equipped with at least one rack for positioning the articles; - means for supplying gas inside said at least one module; and - means for discharging the gas outside said at least one module, - said at least one storage module being of substantially parallelepipedic shape and having two substantially vertical and opposite walls and between which the rack(s) extend, and - said means for supplying gas enabling the injection of the gas into the lower part of said module or into the upper part of said module, via one of the two said walls of the module; and said at least one module being characterised by the implementation of the following measures: - the means for discharging the gas are situated: i) on the same vertical wall as the means for supplying gas, j) or on the other vertical wall facing thereto at the opposite end of the module in that if the means for supplying gas are situated in the lower part of the module, then the discharge means are situated in the upper part of the module, whereas if the means for supplying gas are situated in the upper part of the module then the discharge means are situated in the lower part of the module; - the storage module comprises one or more closure members, each closure member being positioned, facing one of the racks, between one of the two walls and the rack in question, so as to prevent the passage of the gas vertically in respect of a closure member, and only allowing the passage of the gas transversally along the rack associated with the closure member in question; and said at least one module being characterised in that: - if the storage module only comprises one rack, then the storage module only comprises a single closure member, situated facing the rack, between the wall through which the gas supply arrives and the rack, - if the number of racks in the module is even, and if the means for discharging the gas are situated on the same wall as the means for supplying the gas, then the final rack of the module encountered by the flow of gas between the gas supply and the gas discharge outside the module is devoid of a closure member. - at least one storage module suitable for receiving the articles to be stored; the storage module being equipped with at least one rack for positioning the articles; - means for supplying gas inside said at least one module; and - means for discharging the gas outside said at least one module, - said at least one storage module being of substantially parallelepipedic shape and having two substantially vertical and opposite walls and between which the rack(s) extend, and - said means for supplying gas enabling the injection of the gas into the lower part of said module or into the upper part of said module, via one of the two said walls of the module; - the means for discharging the gas are situated: i) on the same vertical wall as the means for supplying gas, j) or on the other vertical wall facing thereto at the opposite end of the module in that if the means for supplying gas are situated in the lower part of the module, then the discharge means are situated in the upper part of the module, whereas if the means for supplying gas are situated in the upper part of the module then the discharge means are situated in the lower part of the module; i) on the same vertical wall as the means for supplying gas, j) or on the other vertical wall facing thereto at the opposite end of the module in that if the means for supplying gas are situated in the lower part of the module, then the discharge means are situated in the upper part of the module, whereas if the means for supplying gas are situated in the upper part of the module then the discharge means are situated in the lower part of the module; - the storage module comprises one or more closure members, each closure member being positioned, facing one of the racks, between one of the two walls and the rack in question, so as to prevent the passage of the gas vertically in respect of a closure member, and only allowing the passage of the gas transversally along the rack associated with the closure member in question; - if the storage module only comprises one rack, then the storage module only comprises a single closure member, situated facing the rack, between the wall through which the gas supply arrives and the rack, - if the number of racks in the module is even, and if the means for discharging the gas are situated on the same wall as the means for supplying the gas, then the final rack of the module encountered by the flow of gas between the gas supply and the gas discharge outside the module is devoid of a closure member.