Quote Originally Posted by dengyong View Post
Because his board doesn't support SLI.
but a dedicated PPU is completely worthless right now, physX enhancements are only usable in single play games and then its not going to show anything different if u have an NV card.

physX is also being phased out with dx11 and havoc (look at red faction gorilla), physX is outdated and overly uniform so buying for it now would be like buying an fx60 right before the core2 came out.