Zalman VF900-Cu Copper VGA Video Card Cooler Pure copper heatsink base and fins maximize cooling performance Use of two high performance heatpipes maximizes heat transfer Ultra-thin fins minimize airflow resistance and maximizes heat dissipation surface area for excellent cooling performance Fan installed in the heatsink cools not only the VGA chipset and VGA RAM, but all other VGA components Adjustable fan speed controller enables control of noise and fan speed