|SLI is not a waste of power or money. A third graphics card for Physx, however, is. |
"also do i need to install drivers on this card if i install it thank you. "
Nope. Nvidia drivers are unified, which means that one driver installation will run all three cards.
Socket 939 | Dual-core Opteron 185 @ 3.2GHz | 4GB | 1.0TB | Win7 x64
GeForce GTX 460 1GB | X-Fi Ti Pro | A8N32-SLI Deluxe | Antec P182