Interconnect, PCB, Backpanel, AS0B326-S78N-7F, Foxconn Interconnect Technology

 As0B3 Series 230 Position 0.5 mm Pitch SMT Edgecard Connector

https://www.futureelectronics.com/p/interconnect--connectors-pcb--backpanel-connectors/as0b326-s78n-7f-foxconn-interconnect-technology-8114641