Unless u idle at mid 40's with ur stock or ur seeing spikes into the 60's under load, u should keep with the stock fan
some ppl have claimed to idle low 30's and load in mid to high 40's with the stock fan(ie my friends comp and internet sources)
hope this helps
Uber
------------------------------“Not only does God play dice, but... he sometimes throws them where they cannot be seen.” -Stephen Hawking
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