The video card cooler replaces the original fan on a HIS Radeon 6770, followed by the 7 volt connection actually inaudible. But it has nevertheless a more than sufficient cooling power for the normal operation. The installation was a little but difficult for hobbyists actually no problem. In the enclosed accessory was not saved, it's everything you need with in the package for the conversion. Only the amount of graphics card changed by about 10 mm upwards which in small or full could lead to difficulties occupied housings because the graphics card is original in itself 2 slots.
For overclocking may then still be switched to the 12-volt connections. The fan becomes louder but where the overclocking is probably still running slightly louder in the housing ...
And at this price you can not go wrong really. The fan can also be directly accessed on the motherboard are infected and has (except 7 and 12 Volt connection) also has a 4-pin connector and can thus also be regulated (via corresponding software or the motherboard).
