Everyone knows that Intel retail processors not only come with a certified cooler but also a much longer warranty. However, you must first be sure that you have a genuine retail processor. Some greedy retailers have been selling counterfeit Intel boxed (retail) processors to make more money. So be sure to check out this handy guide on how to spot a genuine Intel boxed processor and avoid the counterfeit units.
"To get an even better price from Intel, many OEMs and system assemblers order tray processors in bulk. They do not make use of all of these processors so a large number find their way into the DIY markets. Howevere, that is not the problem."