Want good cpu cooling without having your pc sound like a jet engine. At only 19.0dBA the WhisperRock IV is the perfect Socket A & 462 cpu cooler for you. The WhisperRock IV features an all copper core, aluminum design. It is topped with our Spire translucent blue dc fan. In addition, we take the extra step to sleeve the fan wires to give you extra airflow in your case. A 3 prong clip is used to attach the heatsink securely to the CPU Socket. Our clip design requires a flathead screwdriver to install, with ample area to fit most size screwdrivers without the risk of slipping and gouging your motherboard. Main Features: # Compatible with AMD Duron, Athlon, MP & XP cpus # Aluminum extrusion heat sink with large copper core # Super quiet 80x80x25mm UV reactive fan # Improve micro-processor & system stability # Attractive addition to any system