Workspace 365 Webserver requirements

Webserver:

1-2 V-cores

Minimal 4 GB RAM

30-50 GB Disk

DB Server:

1-2 V-cores

Minimal 4 GB RAM

Minimal 50 GB disk

Bandwidth with 1000 user is approximately 100 GB. Be aware that this depends on the configuration and can be different in others scenario's.