Everpure has introduced a converged infrastructure platform built upon trusted hardware from Cisco and Everpure. The linked document is the Microsoft Exchange Solution Reviewed Program (ESRP) FlashStack solution for Microsoft Exchange Server 2013 that was used to certify a reference architecture for 40,000 Mailboxes deployed to two 8-Node ESX clusters with two Database Availability Groups (DAGs).
You can download the PDF file here.