A server includes a chassis and an electronic device assembly. The electronic device assembly includes a holder and a fixing member. The holder accommodates an electronic device and includes a limiting slot and a positioning hole. The fixing member includes a hook set. The hook set includes a first hook and a second hook. The first hook is connected to the limiting slot to be limited in a first direction. The second hook is connected to the positioning hole to be limited in a second direction. The first direction is substantially different from the second direction. The fixing member and the holder sandwich a connector connected to the electronic device.