unless you can get a 980 really cheap a 1070 is almost as fast, and will draw less watts, and will be supported a bit longer than the 9xx series
i see no real issue with using a 1070 on a z800 850 watt supply and a 1080 should also work
unless you can get a 980 really cheap a 1070 is almost as fast, and will draw less watts, and will be supported a bit longer than the 9xx series
i see no real issue with using a 1070 on a z800 850 watt supply and a 1080 should also work