For installation, it is not complicated, although a manual a bit clearer would probably not luxury (especially for beginners, because unpack all the contents of the box can be a little scary I think).
You have to clean components (the "how to" advice to pass a gum above) to the radiators adhere properly and wait an hour.
My graphics card (ATI Radeon 4890) lost a few degrees (not that much, because I was already there one year, changed the thermal compound, due to overheating of many of these card models) at of the heart. For cons, the components heat up more than the original fan who followed suit any map (with twin turbo, everything is in the open air), thus providing a well-ventilated box to prevent these components exceed 120 ° C (they quickly rise to 90/95 ° C home care).
Level noise, no complaints. The original fan was really tired, I heard rolling and scratching, it was terrible. With this twin turbo, nothing, and it really feels good ...
