Thanks for the riser links slepy8 and acc24ex. Those will be useful. However after inspecting my case more closely it seems like the two graphics cards are not packed as tightly together as I thought and there may be room for sufficient cooling. That leaves me with one open PCI slot on the bottom of the MB. It is a PCI 3.0 x4 slot. Even with the riser I am not quite sure how I can mount the third card in the case. If I can't figure that out I am considering building a second low cost box to house additional cards and use Octane network rendering when Otoy (hopefully) begins offering more flexible lower cost licensing options. By that time I should have saved enough for additional GTX 780's.
Another thing I am wondering about is the feasibility of a DIY GPU expander box. Was thinking about starting a new thread on this to see if anyone has done such a thing. The commercial solutions are very expensive starting at least at $1,500 and 2k.
Do these commercial solutions like the Nestor boxes have anything particularly special about them like some kind of proprietary software or engineering? I read some comments on a forum somewhere for one of these boxes that such prices are outrageous as one could build their own expansion box at a fraction of the cost. If that is the "case" I was thinking of purchasing a housing like the below Cooler Master Lan box - which could easily house a PSU to power the cards with:
http://www.newegg.com/Product/Product.a ... gnorebbr=1
Would love to read any feedback on such an option and if anyone has built a custom expander box - what they used and how they did it.
Advise on risers?
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You may find something usefull from this:
http://render.otoy.com/forum/viewtopic.php?f=40&t=39500
But right now I'd not go into low costs. on mo-bo.
I'd go for server type motherboard with 2 CPUs and up to 512GB RAM. It can be upgraded over time and doesn't limit you for a longer period.
http://render.otoy.com/forum/viewtopic.php?f=40&t=39500
But right now I'd not go into low costs. on mo-bo.
I'd go for server type motherboard with 2 CPUs and up to 512GB RAM. It can be upgraded over time and doesn't limit you for a longer period.
I'm essentially building that. check my progress here https://twitter.com/hashtag/7GPU?src=hash
SEHSUCHT Berlin - 22x GTX 780
