Just thought I would give you some follow up.  I updated with your firmware on 2 Z11J's, and they seem to operate at between 125K-135k sol/s, at 781mhz/920mv.  So at least for the purposes of the Z11J, it looks like they simply under clocked a regular Z11 somehow.  I actually have an option to get some Z11e at 70K sol/s for a reasonable price (relatively), and may order a couple to see if they did the same thing.  If I could get a Z11e to 125-135k sol/s I would have gotten it at nearly half price!

What is your price for licenses for say 5-10?

Thanks!
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