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Gets bigger fans and different PCB

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With 4GB of video memory

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Triple-fan AC Accelero Xtreme

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Toxic and Vapor-X Editions

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Two GPUs, side by side

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Overclocked to 660MHz

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With 512MB and 1GB of memory

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With DisplayPort output

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HD 4890 with a 1010MHz GPU

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Amazon's botched listing makes a mess