When the new Pentium 4 aka Northwood came out the overclockers community responded very good. This chip has quite some overclocking prospective. P4 CPUs overclocked from 1.6 to 2.4 Ghz came to light. This all requires good cooling. Thermaltake assists the overclocking society in reaching high speeds with their cooling apparatus. Some of their coolers perform great and others are meant for the "normal" users are aimed at the main stream market.