In the event that you use a Virtual Private Server for online and offline apps, you may come across a case where they do not operate properly due to insufficient physical memory. This may take place if you try to run a program which requires additional RAM than the amount your plan provides, or if you have too many apps and some of them consume all of the memory, leaving no free RAM for the others. Even when you get a powerful plan, this can happen if you add more apps on the web server in the future, and since it is possible that you shall need simply more physical memory, but not higher Processor speeds or more disk space, our company offers a RAM upgrade which you could use without changing your whole plan. Thus, you may pay only for the system resources which you really need and you'll be able to avoid errors on your Internet sites caused by deficiency of memory and the inability of the VPS to load the apps.