IMP100S,H,V3P16C,UG,DEW39,4.5 Row-to-Row Spacing: 1.35 mm Row-to-Row Spacing: .053 in Mating Alignment: With Mating Alignment Type: Polarization Number of Rows: 9 High Speed Backplane Connector | 1.35 mm .053" With Polarization | Part Number: 2007806-1 | Internal Number: 2007806-1 | TE Connectivity |