You could get a 4TB mini with low power consumption atom and get around 2.7TB usable space with z2 or mirror config hot swap ECC ram IPMI dual gig nic for about

You could get a 4TB mini with low power consumption atom and get around 2.7TB usable space with z2 or mirror config hot swap ECC ram IPMI dual gig nic for about $1300 or choose upgrades in ram or drive space. http://www.ixsystems.com/storage/freenas/ http://www.ixsystems.com/storage/freenas/