Z-PACK/A M HDR.154P PCB Connector Assembly Type: PCB Mount Header Data Rate: ≤1 Gb/s Number of Columns: 22 Number of Rows: 7 Backplane Architecture: Midplane PCB Mount Header ≤1 Gb/s 22 7 | Hard Metric Backplane Connector | Part Number: 5188578-1 | Internal Number: 5188578-1 | TE Connectivity