Special Order: Z-PACK HS3 HDR ASSY 6R 60P Number of Positions: 60 Row-to-Row Spacing: 3.5 mm Row-to-Row Spacing: .138 in Mating Alignment: With Mating Alignment Type: Polarization High Speed Backplane Connector | 60 3.5 mm .138" With | Part Number: 5120674-1 | Internal Number: 5120674-1 | TE Connectivity