[Jake187]

Unless your GM is optimized as hell and you are not running massive plugins like mySQL than no you can't hold 3000 actual players on that system. The MySQL system itself is going to use a bunch of resources, adding lets say about 500 to 1000 concurrent connections of 3000 actual players (if the GM is optimized of course to not save every second) would still be extreme killer on the resources for mySQL alone for example and would eat up your CPU and RAM.

Add the fact that most RP gamemodes require a lot of resources and code I can expect your GMs to not be able to hold 3000 players on a simple Core I3.

To be completely honest the specs provided can host likely about 2000 actual players on the server far as SA-MP is concerned. This of course depending on how well things are scripted and optimized and what is actually used. As stated adding a local mySQL server and more just makes it eat more resources. This is also based on the fact you have the full CPU so at least two cores, if you have only one core I could only say 1000 actual players max if things are done correctly again as explained. If you are not extremely experienced in optimizing the gamemode and did not create it straight from scratch than I would say likely 300-400 actual players max far as one CPU core is concerned.