Quote Originally Posted by BenchZowner View Post
AFAIK it doesn't.
Intel is just not guaranteeing stable operation when overclocked, they don't mention anything about invalidating the warranty.
Quote Originally Posted by Intel
if the Product is properly used and installed
This includes using the stock cooler...otherwise, you have not installed it "properly". Hit up a chat agent, and they will make it pretty clear.

http://www.intel.com/support/process.../CS-009862.htm