An electronic device including a stacked connector assembly is provided. In some embodiments, the electronic device includes: a first printed circuit board; a first electronic board-to-board connector mounted to the first printed circuit board; a second printed circuit board; a second electronic board-to-board connector mounted to the second printed circuit board and connected to the first electronic board-to-board connector; a first stacked connector mounted to the second printed circuit board; a second stacked connector connected to the first stacked connector; and a biasing member. The biasing member may bias the first board-to-board electronic connector together with the second electronic board-to-board connector, and the first stacked connector together with the second stacked connector.