It is not so much the card these days but the monitor. Just google g-sync monitors.
https://www.amazon.com/s/?ie=UTF8&keywords=g-sync+monitors&tag=googhydr-20&index=aps&hvadid=114153736327&hvpos=1o1&hvexid=&hvnetw=g&hvrand=5667454694260838025&hvpone=&hvptwo=&hvqmt=b&hvdev=c&ref=pd_sl_2o79yx0rn_b_p10