System Platform 2014R2, 1K IO/5K History - Application Server 1,000 IO with 3 Application Server Platforms, Historian Server 5K Tag Enterprise Edition, 2 Device Integration Servers, Information Server with 1 IS Advanced CAL (local only) (SP-2375A)AutoSave for System Platform v3.x - Compatible with Application Server v4.0 (2014) and v4.1 (2014 R2)