Whenever a program is executed on a web server, it is loaded into the physical memory. If you run a resource-demanding script, or if you just add more scripts on your websites and you get plenty of visitors, you might encounter a situation where your Virtual Private Server has insufficient memory to run all the applications and freezes because of this, which means your websites will stop functioning correctly and that the site visitors shall start seeing error messages. To avoid this sort of a scenario, you'll be able to take advantage of the RAM upgrade that we're offering and increase the amount of physical memory for your use without changing the entire plan. In this way, you can pay just for the resources that you actually need instead of for additional disk space or higher CPU speeds that you shall not really use, for example. With the upgrade, you could ensure the flawless operation of your Internet sites, which also means a better experience for your website visitors.