The best cpu cooler is one that requires the m/b to be removed, and bolts on through the m/b. Buy one from o/c
http://www.overclockers.co.uk/showproduct.php?prodid=HS-002-NC&groupid=701&catid=57&subcat=821
http://www.overclockers.co.uk/showproduct.php?prodid=HS-039-TR&groupid=701&catid=57&subcat=821
Second one is out of stock at the moment
http://www.overclockers.co.uk/showproduct.php?prodid=HS-022-CM&groupid=701&catid=57&subcat=821
The one you have bought, I don't rate it for a quad core.
http://www.overclockers.co.uk/showproduct.php?prodid=HS-002-NC&groupid=701&catid=57&subcat=821
http://www.overclockers.co.uk/showproduct.php?prodid=HS-039-TR&groupid=701&catid=57&subcat=821
Second one is out of stock at the moment
http://www.overclockers.co.uk/showproduct.php?prodid=HS-022-CM&groupid=701&catid=57&subcat=821
The one you have bought, I don't rate it for a quad core.