I am selling both of my gtx 760s only a few months old asking $300 for both. They retail for 250+plus tax each and up retail.
will sell the individually for $150 each
Here are the specs off of the nvidia website
http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-760-oem/specifications
2x gtx 760 1.5 gb
1 SLI cable ribbon
One of these will play crysis 3, battlefield 4, call of duty ghosts, 2 of them in SLI almost doubles the performance.
SLI:
Memory 1.5gb GDDR5x2
2304 Cuda cores(PS4 1152, Xbox One 768 these are AMDs version of cuda the more the better)
384bit memory bus
Pixel rate 48.2 GPixel/s
Texture rate 193.2 GTexel/s
64 ROPs(ps3 had 8)
For single card performance check the link