a female connector system for engaging , a matching male 3 - in - 1 ide connector has , in certain embodiments , three alternatively usable , different length female connectors formed for mating with all or selected portions of the male connector . these include a set of data pin - receptacles , a set of jumper pin - receptacles , and a set of power pin - receptacles . to provide swift and secure engagement of the female connector to a 3 - in - 1 male connector , the female connector has a number of surface features . these include two locating projections that aid in properly locating the female connector with respect to the 3 - in - 1 male connector . a fitting portion and a groove are provided in one of the planar surfaces of the female connector and further aid in proper location and mating . an inclined surface at the corner of the female connector acts in cooperation with angled surfaces of the groove to facilitate simultaneous engagement of numerous pins of the male connector with correspondingly disposed pin - receptacles of the female connector .