What's better than a top-of-the-line graphic card for a rabid PC gamer? Try four strapped int to the same motherboard and running in tandem. This sort of thing's been possible for quite a while (for those with the cash for compatible hardware and power bills) but it's always fun to see the latest and greatest pushed to the maximum levels of performance. So it is with NVIDIA's brand new GeForce GTX 680, the company's latest in ultra-powered GPU excess. Hardware.Info strapped four GTX 680s into a quad-SLI motherboard and let the benchmarks fly.