I would like to thank Zalman for supplying the review sample.Features: * Does not generate noise or vibration in Silent Mode. * 100% copper heatsink with aerodynamically optimized "tunnel" design for maximum cooling efficiency. * Patented heatpipe design for cooling performance of up to 6 heatpipes with the use of just 3. * Ultra-thin 0.2mm fins for minimized weight and significantly reduced airflow resistance. * Compatible with all Intel Socket 1366/775 and all AMD Socket AM2+/AM2/754/939/940 based Single, Dual, and Quad Core CPUs. * Ultra quiet 120mm PWM LED fan for automatic fan speed control according to the CPU's temperature.Compatibility: * Intel LGA775/LGA 1366 * AMD Socket 754/939/940/AM2/AM2+