Pure Copper and Pure Aluminum base material ensures excellent heat dissipationThe high intensity red LEDs will operate with sufficient brightness even in low operating voltageThe adjustable fan speed controller, FAN MATE 2 enables control of noise and fan performanceThe large 120mm fan inside the FHS maximizes cooling performance by providing sufficient airflow even at low fan speed. It provides air flow over a large area, cooling not only the CPU, but the VGA card, Northbridge, FET, and RAM as well