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08 Aug 2011  

Windows 7 Ultimate x86

Quote   Quote: Originally Posted by bobkn View Post
Sapphire requires a 450W PSU with one 6 pin PCI-E auxiliary power connector for the 6770. For the 6790, it's two 6 pin connectors, and a 500W supply.

You may be able to use a Molex-to-PCI-E power adapter if your PSU lacks PCI-E power. As you didn't list your PSU type, it's hard to say anything definite.
I have a Thermaktake 450W PSU so the 6790 would not work.

will do some review searches for those cards.
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