GlacialTech Igloo 1100 CPU Cooler - 80mm Fan, 3600RPM, 4 Pin, Copper Heatsink, LGA1156, (1100 CU PWM (E)) GlacialTech Igloo 1100CU Desktop Cooling Fan and Heatsink P/N: 805811 Model: JT8025HS-PWM DC 12V 0.28A