A card adapter (10) is configured to receive a first card (20) and to be inserted into a card connector (1) into which a second card may be mated. The card adapter includes a housing having first (120) and second (110) intermateable insulative plate members and a circuit member (130) arranged in the housing. The circuit member includes a plurality of adapter side contact pads (136), each being configured to contact a terminal of the card connector, and a plurality of conductive leads (133), each lead extending between one of the adapter side contact pads and a termination end (134, 135). A plurality of connection terminals (150) are provided with each being interconnected to one of the termination ends of the conductive leads and configured to engage a contact pad (251) of the first card. The first plate member may include a plurality of deformable projections (127) configured to engage a first surface of the circuit member and press the circuit member against the second plate member. The circuit member may have a plurality of through-holes with the terminals having solder tails that extend into the through holes.