Zalman VF700-AlCu Aluminum/Copper Ultra-Quiet VGA Video Card Cooler Supports up to GeForce 7800 GTX and Radeon X1800 Does not generate noise or vibration in Silent Mode Pure copper and pure aluminum base material ensures excellent heat dissipation Fan installed in the heatsink (FHS) cools not only the VGA chipset and VGA RAM, but all other VGA components as well Silent Mode and Normal Mode selection provided to accommodate the user's environment and preference