ULTRA style heatsink fin array, with copper base, elevates heatsink"s overall quality. Large heatsink fin array, provides dissipating area of up to 150*125mm, make complete use of the airflow, with 140mm or 120mm fan. With the max width of 55mm, tall memory spreaders are avoided. Support Multiple-Platforms. Includes one Thermalright TY-147 PWM fan, Ultra low noise at 21 dBA at max rpm (50cm testing distance) Fan-clips are compatible with both 140mm and 120mm fan.