A big advantage of the card is the energy-saving function. Once no 3D applications are running overclocked the card down automatically and reduces the applied voltage of 1.2V to 1,05V.
At 22 ° C room temperature, the temperature therefore stabilized at around 39 ° C in my HAF 912.
The fan is inaudible!
Even in games the temperature rarely rises above 70 ° C. The fan runs only with about 50% power.
The performance of the card is sufficient for current games, if you want to play Witcher 2 on highest settings, but you should gfreifen for HD6950 ;-)
One minus could be the size as it is quite long. For me this was the purchase but secondary.
The one negative is also that the graphics card does not have HDMI output. However, a DVI-to-HDMI adapter included very high quality.
Conclusion: Asus' cooler concept works and gives a cool and powerful graphics card with an incredible price / performance ratio. If you own a fairly large enclosure, the size of the card does not matter.
So strong buy recommendation