From the looks of it you can. I've seen in the ASUS forums that other have done GTX 970 & GTX 980 cards. Just be careful of the size of the card. PNY is probably the best bet due to its slim signature. The 230w power supply should be fine 970s need around a minimum 145w to run. Check the specs of the card. Other brands need more watts to run depending if the are overclocked. Good luck.