A protective cover and a storage device with the protective cover assembly

A Protective Cover includes a base plate, a casing unit, and at least one pad unit. The base plate has a first surface. The casing unit is connected to the base plate, projects from the first surface, and cooperates with the base plate to define an accommodating space. The casing unit has an opening and a retaining wall, and defines a first distance between the retaining wall and the base plate. The pad unit is connected to the base plate. The pad unit includes a slice portion which is flipable between an initial position and a stacking position, and a connecting portion which interconnects the slice portion and the base plate. The slice portion of the pad unit is spaced apart from the first surface of the base plate when the slice portion is disposed at the initial position. The slice portion is stacked on the first surface of the base plate and defines a second distance between the retaining wall and the slice portion when the slice portion is disposed at the stacking position. The second distance is less t