2MM HM,TYPE A/B,HDR,ASY,146POS PCB Connector Type: PCB Mount Header Number of Columns: 22 Number of Rows: 7 Backplane Architecture: Traditional Backplane Centerline (Pitch): .078 in PCB Mount Header 22 7 Traditional Backplane | Hard Metric Backplane Connector | Part Number: 5646533-1 | Internal Number: 5646533-1 | .078" | TE Connectivity | Z-PACK