The product is very good, an aluminum radiator for many memoirs and "transistors" power. Those are easy to "stick". Mounting on a GTX 560 TI is very simple, 4 spacers, 4 washers and 4 screws, it's done. the aluminum giant radiator pipes with the 5 seems quite qualitative. Why a star less, the first thing, it is not mr. everyone who can hack his map, rigor and dexterity are essential. Then I had a problem with the 3-pin connector with the wiring was bad !! The manual says that we must verify the correspondence he could not specify bad ones !! This is described on the site! Not on the instructions! So, I burn the speed control CMS transistor ..... Once replace (phew ...), the control is perfect. But as has been said, we must remove heat from the case. Temp: 100 ° c 89/90 view this fell to 69/70 ° c super.