A system for freezing, storing, transporting, and thawing biopharmaceutical product, the system including a stationary equipment and one or more movable pallet, each pallet being configured to carry one or more container units, each containing biopharmaceutical product, the stationary equipment including a gas circulating unit configured to cause a circulation of cold gas and/or warm gas, from a pull inlet toward a blow outlet, wherein there is provided at least a first side plenum having one or more gas conveying channel therein, configured to be fluidly coupled to the blow outlet of the gas circulating unit, the first side plenum having a plurality of outlet ports directed toward an interior volume of the pallet, wherein the gas circulates substantially in a horizontal direction in the interior volume of the pallet.