As far as I know, it's not SLI/Crossfire. Maybe with a future BIOS upgrade it will, but it's unlikely. If you want SLI/Crossfire, chose a different motherboard. Otherwise, the P5B Deluxe is a good choice. It's supposed to be good for overclocking
__________________ SuperPi 1M: 29.6s - 3DMark06: 8616 The Geek Test v3.1 Score: 36.3% - Major Geek