Fiberstamp can offer rich experience of immersion solution, that includes different form and speed transceivers/AOC/product. Fiberstamp 400G QSFP-DD immersion cooling extender (GLQE-PC401-DXX) is an important part of liquid immersion solution, normal QSFP-DD form transceiver/AOC can be used for immersion environment with this product. This product include extender cage, cable, QSFP-DD housing three parts, the cable length can be customized no more than 0.5m for extension, that can avoid the optical lens/engine/interface exposure to the liquid indirectly.