The IC4300X4 CPU Cooler features a 92mm PWM fan with four heat pipes. The all-copper base, and special soldering technology between heat pipes and fins, facilitate heat transfer. Zippered high-density aluminum fins dissipate heat efficiently. The IC4300X4 is a high-efficiency solution for Intel LGA 1366 CPUs. 

newegg
Excellent Heat Dissipation and Cooling Performance

The large copper base and four heatpipes conduct heat fast; the aluminum fins maximize the heat dissipation surface area, and the 92mm 400±200~2800±10%RPM cooling fan delivers optimal cooling performance.

newegg
Whisper Quiet

The fan with PWM control minimizes noise levels efficiently, ensuring the CPU cooler works quietly – even at full loads.