Purchase instructions: 1. Please contact us to confirm the model of GPU water block. 2. The hard tube connection in the picture is only for display purposes with a hand screwed joint. Please consult customer service for specific accessories: 3. The water cooling accessories in the set can be added, replaced, and modified according to needs. Please contact our online customer service to customize a unique solution. 4. Pay attention to the position of the cold head inlet and outlet during installation, as installation errors can affect heat dissipation efficiency; 5. If the appearance and structure of the product are upgraded, no further notice will be given, and the actual product will prevail.