A port replicator includes: a main body having a placement surface on which an electronic device is placed and an accommodation hole in the placement surface; a pop-up portion accommodated in the accommodation hole and having a support surface that supports the electronic device; and an elastic body that biases the pop-up portion in a direction in which the support surface protrudes from the accommodation hole. The pop-up portion is movable between a first position where the pop-up portion is accommodated in the accommodation hole and a second position where the support surface protrudes from the main body more than the first position, an interference member is provided on at least one of an inner wall of the accommodation hole or an outer wall of the pop-up portion along the inner wall, and the inner wall and the outer wall come into contact with each other via the interference member.