A card edge connector 100 includes an insulative housing 1, a plurality of contacts 2 and at least an ejector 3 pivoted on the housing 1. The housing 1 has an longitudinal central slot 12 and at least a towers portion 14 located at one ends of thereof. The ejector 3 comprise a pair of elastic walls 32, a slit formed between the elastic walls 32. the elastic wall 32 comprise a pair of first elastic walls 321 and a pair of second elastic walls 322 extending downwardly from the first elastic walls 321 respectively, the second elastic walls 322 comprises a first connecting wall 3221 and a second connecting wall 3222 extending downwardly from the first connecting wall 3221, a thickness of the first connecting wall 3221 is equal to a sum of the thickness of the first elastic wall 321 and the second connecting wall 3222.