Abstract: A storage unit including a snap-together cabinet having a forwardly-opening cavity and a drawer for hanging files slidably received within the cavity. The drawer includes a face and an item containing portion having a pair of side rails detachably interconnected with the face. Each side rail includes an inner flange, an outer flange, and a cross-member connected between the inner and outer flange. The side rails are generally I-beam shaped such that the flanges are substantially vertical and the cross-member is substantially horizontal. The storage unit is also detachably stackable with an accessory unit including a cabinet and drawer for storing items slidably received within the cabinet.