Can't see it, but a primer and ask the maker.
by R. Proffitt - 3/6/13 7:39 AM
In Reply to: 'SLI' Not on option in Nvidia control panel w/ 2 GTX 680s by zrstoddart
http://en.wikipedia.org/wiki/Scalable_Link_Interface is a primer on this so talk to the machine's maker about drivers for the motherboard and the GPUs. I don't think they use the bridge link on these cards today but ask them.