SilenX Luxurae HDSS
 

SilenX Luxurae HDSS might not be the ideal hard drive cooler, but it is definitely a noise killer! When a hard drives get old it tends generate more noise especially under high usage. So with the Luxurae HDSS, it will reduce the noise thus bringing peace to your ears. For those are seeking for silent PC, you should take a look a the HDDS provided if you don’t mind to fork out 40USD for it.
Link: http://www.pcmoddingmy.com/content.php?review.243