Originally Posted by alias

What are the hardware requirements?
As a minimum we recommend a quad core system with at least 1 GB of RAM per core. To get the most throughput out of Wowza Media Server software we suggest you use RAID 0 or RAID 10 configurations with at least 2 or more disks in the array. Depending upon your application and load, you may need more or less horsepower.
http://www.wowza.com/faq