The ornamental design for a cardconnector, as shown and described.
FIG. 1 is a top, front perspective view of a card connector showing our new design;
FIG. 2 is a bottom, front perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a fragmentary enlarged of the top, front perspective view of FIG. 1; and,
FIG. 5 is a fragmentary enlarged of the bottom, front perspective view of FIG. 2.
The even-broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. The dash-dot line represents the boundary of the claimed design.