Features: Extreme cooling performance and optimal heat dissipation, provide more convenient, portable user experience. The Vi-ton rubber washers offers ruggedness so seals and components resist damage during installation and use. The water contact area is large, so the block can carry more heat from GPU quickly. It can realize different lighting effects if match controller. The copper base is processed with anti-oxidization technology, durable and practical. The base fit the GPU well, so that it can absorb more heat. Specification: Material: Acrylic & copper Weight: 299g Color: Transparent Size: 9*9*3.5cm/3.54*3.54*1.38in Package Includes: 1 x CPU Water Cooling Water Block 1 x Conductive Silicone Film 1 x Screwdriver 1 x 4Pin Cable Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、Extreme cooling performance and optimal heat dissipation, provide more convenient, portable user experience. 2、The Vi-ton rubber washers offers ruggedness so seals and components resist damage during installation and use.? 3、The water contact area is large, so the block can carry more heat from GPU quickly. 4、It can realize different lighting effects if match controller. 5、The copper base is processed with anti-oxidization technology, durable and practical.