2MM HM,ASY,T-D,HDR,8R,176P,AP PCB Connector Type: PCB Mount Header Data Rate: ≤1 Gb/s Number of Columns: 25 Number of Rows: 8 Backplane Architecture: Mezzanine PCB Mount Header ≤1 Gb/s 25 8 | Hard Metric Backplane Connector | Part Number: 5646346-1 | Internal Number: 5646346-1 | TE Connectivity | Z-PACK