That depends if you are not happy with the current cards performance then you can SLI it if you have a strong PSU or you can sell the card at good price then get a gtx 980 again it all depends on your want and requirement its just a suggestion.
That depends if you are not happy with the current cards performance then you can SLI it if you have a strong PSU or you can sell the card at good price then get a gtx 980 again it all depends on your want and requirement its just a suggestion.