This graphics cards features Direct CU II, flattened copper heatpipes make direct contact with GPU surfaces so heat is dissipated more efficiently, delivering 20% cooler & vastly quieter performance with twice the dissipation area & 6x greater airflow than reference. & with AMD Zero Core Power technology, it is allows your AMD Radeon graphic to consume virtually no power when in idle state. It even shuts down additional GPUs in AMD Cross Fire technology mode to consume less when theyre not in use.