Sage-ERP-MAS-904.5 is an exciting new release of Sage ERP MAS 90 and 200, packed with enhancements inspired by you — National Account Management, streamlined sales order processes, features to efficiently handle payroll complexities, and even more flexible pricing options. And now you can choose to move to a SQL Server database! Take a video tour of the ways 4.5 will help you do business better.