Hallo Gadgety1 !
No i have no buildlog.
The best is to build all the stuff and then do a  build log.
I just put it up here for fun.
a work a lot right now and have not build anything in 2 week.
It will probably take some time to finisch this big system a agree
Have tested a smaller version of the system and it worked like a charm.
 
Ordered two old x5680 to put in the pc with the 3ds viewport.
25x on all cores probably give me around 4300-4500mhz with the tec cooling
And if the SR-2 dont like 7GPU i use 5x780 or 6x780 and put
 the rest in the other SR-2 and use it in the render network.  
 
 
 
 

Some update on my slim supermicro build and the big one.
Using 3x supermicro mobos to fit it all in the same case.
72ht cores and 3x EVGA 500watt Power supply with y adapters for cpupower.
Going to buy a 200mm radiator to fit the case
 
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My 2x5680 arrived yesterday from ebay.
This weekend a will be finish with the big SR-2 and slim case 3x supermicro.
 
 

6x GTX780