If you missed the announcement, the ZS3-2 can now grow to 16 disk trays, up from 8. It can now also support four of any kind of IO card.
I know, I know, I have not done anything in this blog for a while now. That was not by design. There will be a nice upgrade for the 2013 code (OS8.2) coming soon. When it comes out I will certainly blog about it ASAP.