The K32 uses a high engineering omni directional heatsink providing efficient CPU and motherboard zone cooling. Low noise 9.2cm PWM fan in killer Viper yellow uses Intel approved power management (PWM) where speed is regulated automatically by CPU usage. Under normal conditions the CPU fan speed is low ensuring low noise computing.Intel approved pushpins ensure easy installation, reliable retention and maximum compatibility on both LGA775 and LGA115X platforms without any mounting adjustment, pushpins will automatically slide into correct position.The K32 is designed to work with CPU’s up to 95W but greater cooling efficiency can be attained with efficient case airflow. Pre-applied high performance thermal compound ensures clean and easy installation.- Designed for Intel LGA775, LGA1150, LGA1155, LGA1156- Supports Intel Pentium 4, Core2Duo, Core2Quad, Core i3, Core i5, Core i7- 92mm low noise PWM fan- Intel reference push pin for reliable retention and easy installation- High performance thermal interface pre-appliedSocketIntel: 775, 115XDimensions (W x H x D)94.8 x 94.8 x 62.3 mmMaterialAluminium fins and coreBearingEnter BearingRated Speed600rpm – 3000rpm (PWM controlled)Rated Voltage12V DCNoise Level17.2 – 30.54 dB(A)Max Air Flow56.81 CFMConnector4 pin PWMApplicationPush-pinsThermal Paste IncludedNoMax Air Pressure4.05 mm H2OLife Hours40000Operating TemperatureN/APackaging TypeOEMPackage IncludesFanInstallation manual