Stacked optical transceiver

The utility model relates to a stackable optical transceiver, which comprises a casing, a bottom plate printed board, a support plate printed board and a heat dissipation plate, the casing is hollow, the bottom plate printed board is placed in the casing, the bottom of the casing and two sides of the bottom plate printed board are respectively provided with a first screw hole, and the first screw holes are communicated with the support plate printed board. First supporting studs are installed in the first screw holes in a threaded mode, a carrier plate printed board is placed above the bottom plate printed board, and the top of the carrier plate printed board is further connected with a heat dissipation board in a sleeved mode. According to the utility model, the bottom plate printed board, the support plate printed board and the heat dissipation plate are designed in a stacked manner, effective photoelectric conversion can be realized in a narrow space of 240mm * 215mm * 70mm in the casing, and the design is