An enclosure assembly of a monitor device includes an enclosure cover having a cover wall extending substantially in a first plane between a plurality of sides, wherein the cover wall includes an interior surface and an opposing exterior surface. The enclosure assembly includes a first stiffener wing and a second stiffener wing each having one or more mounting portions spaced apart from one or more stiffener portions to define one or more wing body ribs, each mounting portion including a mounting surface opposing a corresponding portion of the interior surface of the cover wall. The first stiffener wing includes a first wing body that extends toward a first side of the enclosure cover, and the second stiffener wing includes a second wing body that extends to a second side of the enclosure cover. Additionally, a display and/or a base assembly may be mounted to the enclosure assembly.