Z-PACK/B F-HDR.125P, EON PCB Connector Type: PCB Mount Receptacle Data Rate: 1 Gb/s Number of Columns: 25 Number of Rows: 5 Backplane Architecture: Traditional Backplane PCB Mount Receptacle 1 Gb/s 25 | Hard Metric Backplane Connector | Part Number: 1857990-1 | Internal Number: 1857990-1 | TE Connectivity | Z-PACK