2MM FB,ASY,192,SIG,REC,SL,2.73 Connector System: Board-to-Board Number of Positions: 192 Row-to-Row Spacing: 2 mm Number of Rows: 4 Number of Columns: 48 Board-to-Board 192 2 mm 4 | Backplane Connector Housing | Part Number: 5536507-4 | Internal Number: 5536507-4 | TE Connectivity