díval sem se na testy hlučnosti na techpowerup:
http://www.techpowerup.com/reviews/MSI/HD_7870_Twi n_Frozr/25.html
http://www.techpowerup.com/reviews/MSI/HD_7870_HAW K/27.html
http://www.techpowerup.com/reviews/Sapphire/HD_787 0_Flex/27.html
msi se větrníky na 7870 fakt nepovedly...