I have been in / been part of the beginning of several communities in this game, and am currently part of the staff for a UK clan, and one of the few with direct access to our box. I have been part of this game's community for the past few years. I know others who have been hosting their own servers for the game since it was possible to do so. And to call me out here as "not being so smart" with all the flat-out idiotic crap you're posting, here? Hilarious.
RAM and fast multi-core CPUs allow a system to do more simultaneously, for example serving more visitors on your site. Plan on increasing performance by optimizing with RAM-caching? – More RAM means getting a larger, super-fast cache for your server. Performance isn't the most important thing to consider – your server must not corrupt data. We only use ECC (Error Correction Code) RAM because it's designed to protect against data corruption by detecting and automatically correcting errors while data is written to the memory. In addition to error correction, our Commercial Class Servers use Registered ECC memory which allows our servers to reach extremely high RAM capacities to provide all the resources you need for your project.
A gaming server is a dedicated server used for online games such as World of Warcraft or Minecraft. The benefit of a dedicated server for gaming is that your server is often more stable than the game client itself, which is impacted by multiple players and resources. For a smooth gaming experience that you control, a dedicated server is the way to go.