My wife's old Zotac GTX 970 kept crashing in Overwatch ("Rendering device has been lost" error) along with lots of artifacting. Zotac sent us a new GTX 1060 6gb! : r/pcmasterrace
GIGABYTE – carte graphique nVIDIA Geforce GTX 970, 4 go GDDR5, 256 bits d'occasion, Hdmi, Dvi | AliExpress