Whenever an application is executed on a web server, it's loaded into the physical memory. In the event that you run a resource-demanding script, or if you simply add more scripts on your websites and you get loads of visitors, you might encounter a situation where your Virtual Private Server has insufficient memory to run all the apps and freezes because of this, which means that your sites shall stop operating properly and that the site visitors will start seeing error messages. To avoid this kind of a scenario, you may take advantage of the RAM upgrade that we're offering and increase the amount of physical memory at your disposal without changing the whole plan. In this way, you'll be able to pay only for the resources which you actually need instead of for additional disk space or higher Processor speeds which you will not really use, for example. With the upgrade, you could ensure the faultless performance of your websites, which also means a better experience for your visitors.