About 1080Ti:

I have a rig with 6 of them.
I'm mining Zcash with EWBF's Cuda Miner on Flypool. (Have %2 developer fee but you have an option to disable it.)

They are using 1300 W and have a speed of 4300 H/s, also they are making around 700$/m.  

https://i.imgur.com/hJpqEz3.jpg
https://i.imgur.com/aOLrxVJ.jpg

And here's my mining rig  : https://i.imgur.com/wSJlx7e.jpg