Special Order: IMP100S,H,V3P16C,RG,OEW39,4.5 Row-to-Row Spacing: 1.35 mm Row-to-Row Spacing: .053 in Mating Alignment: With Mating Alignment Type: Keyed Number of Rows: 9 High Speed Backplane Connector | 1.35 mm .053" With Keyed | Part Number: 2007797-1 | Internal Number: 2007797-1 | TE Connectivity |