It utilities enhanced heat pipe technology for rapid and even heat transfer Two precision embedded hi-capacity U heat pipes and 55 high density aluminum fins for ultimate heat dissipation High-air pressure is delivered by 92mm high-performance quiet fan with crystal blue blades Four-blue LED embedded in translucent fan duct to add color to your CPU and case It is a multi-platform device for both Intel and AMD sockets A fan speed control unit is supplied giving RPM choice to the user Working of heat pipes: The heat pipe is filled with vaporization liquid Heat is absorbed in the evaporating section Fluid boils to vapor phase Heat is released from the top section via the fins and vapor condenses to liquid Liquid is returned to the evaporating section Features: Two U embedded copper heat pipes provide rapid and more even heat transfer 55 hi-grade aluminum fins ensure optimum cooling Direct heat pipe touch and aluminum heatsink maximize thermal performance four blue LED embedded in stylish translucent fan duct Hi-air pressure delivered by 92mm quiet fan with crystal blue blades Fan controller is supplied to adjust fan speed Multi-platform application for both Intel and AMD sockets Specifications: Product size: 95 x 84 x 140mm Fan size: 92 x 92 x 25mm Fan colors: blue, white, red with optional LEDs as per your requests Fan speed: 2,000rpm Heatsink skill: crimped fin Recommended for: AH941 775 Socket 775 P4 all Socket 775 Celeron-D all Socket 775 Core 2 all With other installation setup: Athlon 64 FX/64 X2 all Dual-core opteron all Sempron all Opteron all