STS Symantec NetBackup 7.5 for UNIX SSE Symantec NetBackup (December 2013) STS Symantec Cluster Server 6.1 for UNIX SSE+ Symantec NetBackup 7.6 SSE+ Symantec Cluster Server 6.2 SSE+ Symantec NetBackup 5230 & 5330 Appliance SSE Symantec Cluster Server 6.2 - Business Continuity/HA/DR