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Amazon.com: XFX FX-799A-XNF9 Radeon HD 7990 6GB 384-bit x2 GDDR5 PCI Express 3.0 x16 CrossFireX Support Video Card : Electronics
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Refurbished: SAPPHIRE Radeon HD 7990 6GB GDDR5 PCI Express 3.0 CrossFireX Support Graphics Card 21207-00-CPO GPUs / Video Graphics Cards - Newegg.com
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Amazon.com: Sapphire Radeon HD 7990 6GB DDR5 DVI-I/Quad Mini DP PCI-Express Game Edition Graphics Card 21207-00-50G : Electronics
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Refurbished: SAPPHIRE Radeon HD 7990 6GB GDDR5 PCI Express 3.0 CrossFireX Support Graphics Card 21207-00-CPO GPUs / Video Graphics Cards - Newegg.com
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