A stacked card connector (100) includes a first electrical card connector (1), a second electrical card connector (2) under the first electrical card connector, and a converting mechanism (5) on the second electrical card connector having a pair of opposite surfaces (431, 432) in a card inserting direction. The first card connector comprises a first insulating housing (12) received a plurality of first terminals (13) and a first ejecting mechanism (61) and a second ejecting mechanism (62) arranged side by side. The second card connector (2) includes a second insulating housing (23) received a plurality of second terminals (24). The first and the second terminals extend into corresponding surfaces of the converting mechanism.