The ornamental design for a cardconnector, as shown and described.
FIG. 1 is a perspective view of a card connector showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is another perspective view of the card connector showing our new design.
The broken lines representing internal elements in the drawings is included to show unclaimed subject matter only and forms no part of the claimed design.