Dell PowerVault DL2100 - Manual (Page 6)

Results and Analysis
The figures below compare the end-to-end backup throughput results
obtained for PowerVault DL2000 - Powered by Symantec Backup
Exec with Microsoft Exchange and Microsoft SQL clients. The results
compare systems with one (1), two (2) and five (5) enclosures for
three (3) different backup types - Standard, Software Compression
and Software Encryption.
Microsoft Exchange 2007 Microsoft SQL 2008