Which of the following three is the best, i do not want any other gpus recommended, Thanks!
http://www.amazon.com/Gigabyte-mini-Displayport-PCI-Express-Graphic-GV-R785OC-2GD/dp/B007PJTNYS/ref=pd_ybh_18?tag=vglnk-c1001-20
http://www.amazon.com/R7850-2xMiniDisplayPort-TWIN-FROZR-2GD5/dp/B007MLSGHE/ref=pd_ybh_21?tag=vglnk-c1001-20
http://www.amazon.com/MSI-GeForce-Graphics-N660-2GD5-OC/dp/B009K1PY4W/ref=wl_it_dp_o_pC_nS_nC?ie=UTF8&colid=18GSIPUAYXZVR&coliid=I8LH1W3EHD9YS&tag=vglnk-c1001-20
http://www.amazon.com/Gigabyte-mini-Displayport-PCI-Express-Graphic-GV-R785OC-2GD/dp/B007PJTNYS/ref=pd_ybh_18?tag=vglnk-c1001-20
http://www.amazon.com/R7850-2xMiniDisplayPort-TWIN-FROZR-2GD5/dp/B007MLSGHE/ref=pd_ybh_21?tag=vglnk-c1001-20
http://www.amazon.com/MSI-GeForce-Graphics-N660-2GD5-OC/dp/B009K1PY4W/ref=wl_it_dp_o_pC_nS_nC?ie=UTF8&colid=18GSIPUAYXZVR&coliid=I8LH1W3EHD9YS&tag=vglnk-c1001-20