An electrical card connector includes an insulative housing defining a card receiving space, a plurality of contacts for mating with a first card and a second card wider than the first card, and a spring tab at one side of the card receiving space. The spring tab includes a retaining portion fixed to the insulative housing and a body portion extending from the retaining portion. The body portion includes a bend portion extending from a lateral side of the body portion under a condition that the first card is sidewardly restricted by the bend portion with insertion of the first card into the card receiving space, and body portion is deformable to let the second card overstepping the body portion with insertion of the second card into the card receiving space.