Ultra Quiet CPU Cooler

REPLACES PART NUMBER CNPS9900LED. 100% Pure 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 AMD Socket AM2+/AM2/754/939/940 based Single, Dual and Quad Core CPUs & Core i7 Compatible. Intel Socket 1156 compatible. Ultra quiet PWM fan for automatic fan speed control according to the CPU's temperature.