Abstract: A modular storage cabinet for compact disk jewel boxes that includes a plurality of connectible members to construct a cabinet of a desired architecture or configuration of choice. The cabinet of the invention will be provided to the user in disassembled form wherein the various parts or members can be assembled into a configuration of choice to hold a desired number of compact disk jewel boxes including both single and double boxes. The members include side, back, top, bottom and expander members for constructing an enclosure having a front opening into which jewel boxes may be inserted and withdrawn wherein the structure is in the form of a tower.