StarTech Fan FAN1156PWM 95mm CPU Cooler Fan with Heatsink for LGA1156/1155 PWM RetailThe FAN1156PWM CPU Cooler with PWM Cooling Fan for Socket LGA1156/1155 systems provides reliable and efficient cooling for compatible Intel Core i3/i5/i7 CPUs. With Pulse Width Modulation (PWM) technology, the fan speed can be dynamically controlled by the motherboard, so the fan runs at a speed that suits the operating conditions - lowering power consumption and fan noise when the system is idle, and delivering maximum cooling under full load conditions.Air Flow Rate65.61 (max) CFMConnector Type(s) 1 - Molex Fan (4 pin PWM) FemaleFan Bearing TypeEver Lubricate BearingFan Dimensions95mm x 95mm x 25mmHeatsink Dimensions95mm x 95mm x 20mmHeatsink TypeAluminumInput Current350 mAInput Voltage12 DCMTBF40, 000 hoursNoise Level<33 dBANumber of Conductors4RPM1000 - 3000 RPMSystem and Cable RequirementsSocket LGA1156/LGA1155 motherboard Item Dimension (LxWxH): 4.06 x 4.06 x 4.21Weight:0.74 lb Warranty Information: 2 YearsPackage includes: StarTech Fan FAN1156PWM 95mm CPU Cooler Fan with Heatsink for LGA1156/1155 PWM RetailWARRANTY: 1 Year Direct Manufacturer Warranty