A card connector assembly (100) for insertion of an electronic card (6), includes an insulative housing defining a cavity, two rows of terminals (4), a pair of springs (3), and a carriage component (2) being moveable between two rows of the terminals and having a pair of projection portions formed at two opposite ends thereof. The carriage component is movable along with the inserted electronic card from an initial position toward a final position where the carriage component is held stationary.