Abstract: An apparatus and method are disclosed for minimizing the space required for a disk drive housing by mounting a disk drive unit in an enclosure of minimum size, using only a connection on one side of the disk drive and a drive belly plate, which is mounted on the bottom side of the disk drive, connected to an engaging surface on the bottom or intermediate cross-member of the superstructure, whereby the disk drive is held securely. The apparatus may accommodate four 3.5 inch form factor full height disk drives or six 3.5 inch form factor one inch high disk drive units. Additional space savings in the housing are achieved by the use of a unique electrical-connector attachment plate for connecting the cable connector terminals to the housing without the use of the normal connectors such as screws, bolts, etc.