A storage rack for storing and retrieving products to be maintained at a desired cryogenic temperature is provided. The storage rack includes an elongate mounting bar carrying a plurality of shelves, and an elongate stop bar that extends generally parallel to the mounting bar. The shelves are independently rotatable relative to the mounting bar towards and away from the stop bar, thereby enabling alignment of all of the shelves when the storage rack is to be stored, and also enabling easy access to each of the individual shelves. A handle projects upwardly and horizontally in a curved configuration from the stop bar and the mounting bar to provide a gripping surface for moving the storage rack. The shelves receive cylindrical vial containers with threadably removable lids to make retrieval and replacement of sample vials quick to perform, thereby avoiding temperature-induced damage to other samples in the storage rack.
