Special Order: Z-PACK HS3 HDR ASY 10R 50P Connector System: Board-to-Board Number of Positions: 50 Row-to-Row Spacing: 2 mm Row-to-Row Spacing: .078 in Mating Alignment: With Board-to-Board 50 2 mm .078" | High Speed Connector | Part Number: 5120747-2 | Internal Number: 5120747-2 | TE Connectivity