The base of the Chrome Version MAZE4 GPU is made of copper. The copper base is a very good material for heat dissipations.

Nvidia 6800 series mounting kit

ATI/Nvidia 6600 or older version mounting kit

The bundles will only come with the ATI/Nvidia 6600 or older version mounting kit only. If you need the Nvidia 6800 series mounting kit or both set of the mounting kit, you will need to pay for it.