Also seems that "Keccak" is a real winner on my GTX-1080 machines --they have been sticking to it pretty much all day since the update to Nice Hash enabling it.
Alot of people seem to have avoided the standard 1080 like the plague... but I've been pretty satisfied with mine.
so your go to machine is the T5500 hopefully getting the 875 or 750w factory power supplies from dell, using sata to 6+2 pin connectors and risers and 1060s, 1070s, or 1080s correct? This setup looks awesome I just have a question about the power did you install a power distribution unit kit or all separate receptacles by my calculations if each rig is pulling 600 watts you could put 4 on a 20a breaker or 5 on a 30 to give some headroom? I have a couple rigs setup using the 1200 evga platinum and looking at new housing for the other RX cards I have and these look like good ideas