I have 2 nvidia geforce 9500 gt cards w/ddr3 installed and i installed a third card(nvidia geforce 9500 gt w/ddr2 but i dont seem to be getting any better framerates.Is my card working..any suggestions? using intel core i7 cpu,6 gig ram,vista, 750 gig hard drive
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Does your game support SLI, and have you enabled SLI in the nvidia control panel?
IMHO, the 9500GT is not a powerful card, it's an 8600GT which is just a bit faster than a 7600GT. One 9600GT might even surpass the 9500GT SLI.
You can't tri-SLI 9500GTs. Maybe you could SLI two of them and then use the third for physics.
I've used a laptop with a mobile 8600GT and it works fine for TF2 and the like... but if you put together that i7 system for high-end gaming, those GPUs are going to bottleneck it quite a bit.