DC Jack = Asus N550 U36SD U36SG N550JX N550JV U36JC U82U N550JK U32U U32VJ U32VM N750JK N591LB N550JA G550JK N750JV N550LF U44SG Q551LN Q550LF (p/n 12G14531103M) DC POWER JACK 3P R/A DIP SINGATRON 2DC3003-005211