power color hd7970 and hd7990 and R7 apu

foxmartin23

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Jan 5, 2012
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i have a gigabite hd7990 6gb and also a powercolor hd7970 3gb also a r7 chip apu . would it be st to build two pcs or one out this ,i have two mainboards and also a athlon quad core ,as two pcs but seen people triple crossfire .would i need a 1000watt psu possible ?