The copper based Pacific W6 CPU Water Block is custom designed for Socket TR4 of AMD Ryzen Threadripper CPUs. Pacific W6 CPU Water Block features 0.2mm micro-fin internal structure, anti-corrosive nickel plating and high-quality PMMA cover, as well as a built-in temperature sensor to deliver the real time CPU water block temperature for security. W6 is not only equipped with top-notch inner components but also has a gorgeous RGB appearance. The water block features 16.8 million colors LED supported by TT RGB Plus Software, Amazon Alexa Voice Service and Razer Synapse 3 (Razer Chroma). Pacific W6 CPU Water Block provides ultimate cooling performance while shines in 16.8 million RGB colors.