Take a look at The Beast, my showcase GPU rig including the following: 1 x Spotswood Custom Mining Tray 11 x Sapphire PULSE RX 580 4GB GPU's 2 x EVGA 1300W PSU's 1 x Supermicro X9DRX+-F motherboard 2… (View Post)
I have a few 1080 Ti's for other purposes, I can tell you they get ~ 32 MH. So its not worth the extra cost if you are just using it for Ethereum mining. (View Post)