Any help me with a gpu that would be campatable with my EVGA 012-P3-20

[niggb]

i purchased EVGA 012-P3-2078-KR GeForce GTX 560 Ti - 448 Cores (Fermi) Classified Ultra 1280MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card a few months back and no there discontinued. i would like to get a 2nd one to run sli but cant seem to find one anywhere. can anyone lead me in the right direction to finding one compatible to run sli withm or if im SOL and just have to buy 2 new ones.

 

[JJ1217]

http://www.ebay.com.au/itm/EVGA-GeForce-GTX560Ti-448-Core-CLASSIFIED-ULTRA-1280MB-GDDR5-SLI-Graphics-Card-/121076947797?pt=PCC_Video_TV_Cards&hash=item1c30bf9b55&_uhb=1#ht_858wt_1139