A solid state drive device is provided. The solid state drive device includes a lower plate which includes a lower flat part, and a lower side wall protruding from the lower flat part primarily in a first direction, an upper plate which includes an upper flat part facing the lower flat part, and an upper side wall protruding from the upper flat part primarily in a second direction opposite to the first direction. The solid state drive device further includes a gasket including a metal material formed in at least a part of a region in which the lower side wall and the upper side wall overlap each other.