Instead, a better solution is for you to upgrade your server. If you're already on the PRO then the next step would be to purchase an additional server.
If you're currently using heavy MySQL, then the second server can be setup as a MySQL server, and if you're using heavy email then the additional server could be configured to send/receive all the mail.
We need to see if there is any space on the shelf with your existing server. If there is space, we can get another box set up right next to it on a private switch so the two boxes can communicate internally.
Please email support@osirion.co.za to discuss the best option for your needs.