Yup. Bought it in 2009 and it has pulled 3x GTX 280/3x GTX 470/3x GTX 580/3x GTX 670/3x GTX 780/3x GTX 970/3x GTX 980Ti and lately 2x GTX 1080Ti's.1500w psu?
I think you need a few more gpus in there
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