Recommended spec can take how many concurrent users

With the following recommended spec from Adobe website, how many concurrent users ?
Flash Media Streaming Server system requirements
OS : Windows Server 2003 SP2 or Windows 2008
H/W Requirements
-          3.2GHz Intel Pentium 4 Processor (dual Intel Xeon or faster recommended)
-          2GB RAM ( 4GB recommended)
-          1Gb Ethernet card

Hi,
The number of concurrent users really depends on your setup.
You might want to read the blogpost from the FMS PM on this at: http://blogs.adobe.com/ktowes/2008/08/breaking_1gbps_on_flash_media.html
"I’ve received a lot of requests lately about how much media can be delivered through Flash Media Server (FMS). As you may or may not know, FMS is held to the same limitations as most other streaming or HTTP servers, that is the available bandwidth, disk speed, memory and CPU power on a single server. When we introduced Flash Media Server 3 we increased the performance significantly to allow you to take full advantage of hardware and ultimately help to reduce the total cost of ownership. ........... read on"
Greetz,
Klaasjan

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