If you're considering FreeNAS you may want to wait till the TrueNAS SCALE comes out. TrueNAS is the new branding of FreeNAS, with FreeNAS remaining on FreeBSD

If you're considering FreeNAS you may want to wait till the TrueNAS SCALE comes out. TrueNAS is the new branding of FreeNAS, with FreeNAS remaining on FreeBSD and TrueNAS SCALE being based on Linux with ZFS. TrueNAS SCALE is in alpha at the moment so I haven't tried it..