Indeed you don't - because renting one dedicated server box that you can run two full 80-man Squad servers on doesn't cost that amount of money; more like +/- $150, the exact amount depending on who you go with / what sort of rig you want to rent. If you only want to run one 80-man server, for example, you can go for a cheaper package and get one for around $100.
Graphical Processing Unit (GPU) cards are used to accelerate analytical solutions, machine learning and deep learning, and engineering/modeling applications. GPUs are used in parallel with CPUs for processing and advanced computation capabilities which allow certain applications to run faster. The following GPUs are available for deployment in your Rackspace dedicated server:
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.