A system according to one embodiment includes a pair of members for mounting to a computer rack in a parallel orientation relative to one another, at least two bezels configured for extending between the members and mounting to the members, and at least two locks for selectively locking the bezels to at least one of the members. A system according to another embodiment includes a frame for mounting to a computer rack. The frame includes members oriented in a rectangular configuration, at least two bezels configured for extending between opposite members of the frame, and at least two locks for selectively locking the bezels to at least one of the members. A system according to another embodiment includes a pair of members for mounting to a computer rack in a parallel orientation relative to one another, and an array of locks coupled to one of the members.