Hello there and welcome to the Wowza support forum.
Please find the hardware requirements specification below,
System Requirements
Minimum recommended production hardware
CPU: Single Quad Core, 3.00 GHz or better
RAM: 4GB
Disk: 2 or more in RAID 0 (striping)
Network: 1Gb Ethernet
High-load recommended production hardware
CPU: Dual Quad-Core or a single Hex-Core, 3.00 GHz or better
RAM: 16-32GB
Disk: 2 or more in RAID 0 (striping)
Network: 5Gbps Ethernet
With these requirements met, and your server configured as per these specs you should be set:
Performance Tuning
You can test your server capabilities with the Load Test Tool:
How to get Flash RTMP Load Test Tool
If you feel like you still need help testing and configuring your server, you can post a request to the find a consultant forum for hired help.
Kind regards,
Salvadore