STS Symantec NetBackup 7.5 for UNIX SSE+ Symantec Backup Exec 3600 Appliance (mid-market) (September 2012) SSE Symantec NetBackup (December 2013) SSE+ Symantec Backup Exec 2014 SSE+ Symantec NetBackup 7.6 SSE+ Symantec NetBackup 5230 Appliance SSE Symantec Backup Exec 2014