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Mobo didn't matter - just needed to be able to put 6 GPUs and went with cheapest CPU because the only thing that matters when mining ethereum is graphics processing. Unlike bitcoin, which uses CPU processing. Hope that answers your question.

Yeah, that was my understanding, and why I asked about Intel vs AMD. AMD is usually a lower cost option for similar quality materials as Intel, which would potentially lower your rig's cost if there was a viable AMD option for the 6 GPUs :)

Thanks for that. I will check it out for my next one. I want to make more. All my certifications are in Microsoft and mainly only ever used Intel, but really no difference in respect to hardware I use (rather use cheaper). Nice to get the cost down though - almost 5 grand CDN. 1 GPU was 610 plus taxes.

BTW. Thanks for taking the time to comment.