The Thermaltake Pacific A2 Ultra Memory Water Block is a black cooler featuring a 3.9-inch LCD display for PC water cooling. It includes four sets of 2 mm thick aluminum heat sinks and a high-quality copper base for optimal heat dissipation. With the TT RGB Plus software, users can display custom photos or GIFs and monitor CPU, GPU, RAM, and coolant temperatures. It is compatible with DDR3, DDR4, and DDR5 memory and supports Windows 7 to 10.