Nextcloud Talk High Performance Back-End Requirements
portal.nextcloud.com › article › 9Minimum System Requirements. 8 GB RAM. 32 GB free disk (for caching, data will not be stored) 4 Cores i7/Xeon. This setup is estimated to work for at least about 150 concurrent users. It should suffice for far larger numbers when talking about webinars or small (1-5 participants) meetings. See below for some examples. Supported operating systems: