Version 3.1.3 was the last generation before NetApp pivoted heavily toward "Unified Manager" and "Active IQ." It is lighter than modern tools, requiring only 4GB of RAM and 2 CPU cores, making it ideal for running on an old Windows Server 2008 R2 or a small Linux VM.
Example checksum (Hypothetical for reference): MD5: 4a8b9c2d3e4f5a6b7c8d9e0f1a2b3c4d Netapp Oncommand System Manager 3.1.3 Download