01-14-2018, 10:46 AM
(01-13-2018, 05:52 PM)JimBob Wrote: Hey Zerokul, in the same boat as you. Here is a 44 core system I'm putting together.
Dual CPU motherboard Z10PE-D16 WS $567.00 CAD
https://www.newegg.ca/Product/Product.as...-_-Product
2x INTEL XEON 22 CORE PROCESSOR E5-2699V4 2.2GHZ - $1000 to $5000 on Ebay.
Still researching if I should go with the cheaper "Engineering Samples" also known identified as "Intel Confidential" or the legit retail versions.
That's a lot of horsepower.
Since I want to sell these rigs once I am done, I'd like to do this with consumer grade equipment as well.
For the moment, I'm opting for multi-rig over one expensive rig to be honest. I hope it will be easier to offload at the end.
I just purchased 2 off-lease, refurbished rigs just for this as a start.
An i7 4790 for $330 CAD, doing 13 H/s and a second rig Xeon 1220 V3 for $180. So, so far I'm at $500 doing 21 H/s.
This setup is already working for me while I build the next rig with old xeons. The problem with purpose built rigs is that it will be harder to sell to an enthusiast and the price will drop. So I think I need to stick with old depreciated Xeons.
LGA 1366 has no AVX CPUs and only SSE, but all parts are cheap.
Once you step up to LGA2011 and you can get AVX CPUs, but the motherboards are rare and insanely expensive.
I know that both JtR and probably hashcat will take advantage of AVX, but I do not know the ratio of
performance improvement per dollar spent on AVX compatible motherboards.
I found a few local shops that have cheap, LGA2011 V1 xeons like E5-2640 6 core, 12 threads for $70 each and similar LGA1366 Xeons as well. No shops stock motherboards that I could find yet.
If I snap up 2 of these and a dual socket motherboard at $100, it will be a 12 core/24 thread at about $250.
Anyway, keep at it and let me know what you find