The source further revealed that ATI?s Multi-VPU technology would be superior to NVIDIA?s SLI, as it will not be limited to two of the same graphics adapters from the same manufacturer to ensure compatibility. ATI?s Multi-VPU technology will not be limited to this criterion, so you can have a card from Sapphire and another one from Powercolor and both will function perfectly fine in a Multi-VPU setup. Click here to read the full article.