1. Please confirm that your graphics card is in the compatible list, otherwise it may not be installed properly;2. This products is compatible with the original card backplane;3. Please pay attention to the inlet and outlet position of water block when installing, otherwise installation errors will affect the efficiency of heat dissipation;4. As shown, the hard tube compression fttings are only for display propose, the standard does not contain them;5. In case of product appearance structure upgrade, without further notice, in kind prevail.