A card connector having a housing with a card insertion end, an opposing distal end, and a base. The card connector has a shell positioned on the housing. A card insertion space and a card ejection mechanism receiving space are both positioned between the housing and the shell. The card connector has a card ejection mechanism disposed in the card ejection mechanism receiving space. The card ejection mechanism includes a sliding member, a spring biasing the sliding member in a card-ejecting direction, a lock for locking the sliding member at a locking position; and a sliding member guide. The sliding member guide includes a first guiding member disposed on an interior surface of the base and engageable with a card insertion end of the sliding member; and a second guiding member disposed on an interior surface of the shell and engageable with a distal end of the sliding member.