There’s no overall limit or quota on the amount of data you can add to your Current RMS system. Create as many products, opportunities, and organizations as you like!
When uploading attachments, the maximum file size per attachment is 100MB. There’s no limit on the number of attachments that you can add to the system.
Check out: Attachments
When uploading images against organizations, products, projects, and other screens, the maximum be no more than 2MB.