Thermaltake Blue Orb II CL-P0257 Cooler for Intel LGA775 and AMD K8 Designed for Intel LGA775 and AMD K8 Patent Radian Crotched Fin provides superior air flow Copper Core Construction allows for rapid heat transfer and increased thermal conductivity Silent Blue LED Fan for a whispering 17dBA 12 cm Ultra Quiet Cooler, massive 140 aluminum fins maximizes heat dissipation area