Which infrastructure I need for an organization of 300 users, I am using the community version
I count on
2 servers of [4 CPU cores, 8 GB RAM, 96 GB]
As there are many different variables in process building and design you should ask Bonitasoft Sales for this question by using the Contact Us page.
Unfortunately Community does not support multiple servers etc.
PS: As this reply answers your question, please mark as resolved.