HM-ZD 2PR HDR 40P 2.5MM Number of Positions: 40 Row-to-Row Spacing: 1.5 mm Row-to-Row Spacing: .059 in Mating Alignment: With Mating Alignment Type: Guide Lugs High Speed Backplane Connector | 40 1.5 mm .059" With | Part Number: 1469025-1 | Internal Number: 1469025-1 | TE Connectivity