7 x MSI RX 470 Gaming X 4GB
Al Hynix Memory
Using custom 1625 strap. All mods done in the bios and used on all cards except 1, which I had to "degrade" slightly.
1160 watts at the wall.

This is a nice first try, but you can decrease the wattage dramatically. You can have similar hash rates with 800W
I got it down to 991 watts at the wall. My PSU says it is using 900 watts. I have a smaller platinum PSU which is only running at 90% eff.