A card connector (100) includes a first connector (10), a second connector (20), a first ejecting mechanism (6) and a second mechanism (5). The first connector defining a first receiving space (14) includes a first insulating housing (30) located in the receiving space and a plurality of first terminals (4) retained in the first insulating housing. The second connector is assembled with the first connector and includes a second insulating housing (22) equipped with the first insulating housing to define a second receiving space (220), and a plurality of second terminals (24) assembled with the second insulating housing and protruding into the second receiving space. The first insulating housing forms a base section (31) and a base seat (33) extending laterally from the base section, and the first ejecting mechanism and the second ejecting mechanism are mounted on the base seat.