Hi Tech Legion has posted a review on EVGA Geforce GTX 590 Classified running in Quad SLI

" The EVGA GTX 590 Classified video card consists of two GF110 GPUs on a single PCB. The EVGA GTX 590 Classified has 3,072MB of GDDR5 memory on a 768-bit memory interface equipped with 1,024 CUDA cores. Clocked higher than the stock GTX 590, the EVGA GeForce GTX 590 Classified edition carries a core clock of 630 MHz and a memory clock of 3456 MHz. A pair of EVGA GTX 590 Classified in SLI provides astonishing performance, unlike anything NVIDIA has ever produced. Ever wanted to play games smoothly in 2560x1600 with all the eye-candy turned up to the max, including an anti-aliasing mode that can be set to 64x? A single EVGA GTX 590 Classified can do that. Two GTX 590 in Quad-SLI means you’ll be ready for anything. "

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