RAIJINTEK's CPU water block, FORKIS series, made of full copper material which was melted by alloying. With adapting 3D micro-fin structure and alloying brazing, integrated a Unique rainbow RGB ( 5V Addressable) LED (Pro RBW version), it is a highest level solution for PC enthusiasts and custom PC Modder to create a super RGB LED light water cooling system. FORKIS provides outstanding heat transfer efficiency and enhances thermal performance. Not only whole product was nickel-plated, but the high quality polished mirror base ensures excellent surface contact with the heat source. The solid universal back-plate not only prevents M/B distortion, but also has high compatible installation for all present modern CPU. User friendly installation, gorgeous Rainbow (addressable) LED light (Pro RBW version), outstanding thermal performance, high compatibility with modern CPU, unique design and nickel-plated, CWB-RGB is your best partner and solution for water cooling.