A card connector, comprising: an insulative housing having a base, a pair of first and second raised sidewalls, and third raised sidewalls to form a receiving cavity therebetween, an insertion opening located opposite to said third raised sidewall, said base having thereon a window, each of said first and second raised sidewalls having a resilient locking arm invading laterally toward said receiving cavity; a contact module disposed within said window of the housing with a plurality of contact sections extending above a top face of the base; a metal shielding member assembled to the housing, the metal shielding member having resilient reinforcement pieces respectively located outside of said resilient locking arms.