An electronic device according to an embodiment of the present invention includes a processor and a socket connector, wherein the socket connector includes: a housing including a first opening, a second opening, and an inner space between the first opening and the second opening; and a connection unit coupled to the first opening, wherein the connection unit has a top surface on which one or more first terminals electrically connected to the processor are disposed, and a bottom surface on which one or more second terminals electrically connected to the processor are disposed, and includes a first plate formed of a non-conductive member in at least a portion of an area of the inner space, and a second plate disposed between at least a portion of the top surface and at least a portion of the bottom surface, wherein the second plate has a portion protruding from the one or more first terminals or the one or more second terminals in the direction of the second opening into which a header connector can be inserted, and at least a portion of the protruding portion can be bent in the direction of at least one of the top surface or the bottom surface. Various other embodiments are possible.