In the event that you use a Virtual Private Server for online and offline apps, you could come across a situation where they don't operate effectively as a result of lack of physical memory. This may occur if you try to run an app that requires additional RAM than the amount your plan offers, or in case you have too many programs and some of them consume all of the memory, leaving no free RAM for the others. Even if you get a powerful plan, this may happen if you include more applications on the server later on, and since it's possible that you will need only more physical memory, but not higher CPU speeds or more disk space, we provide a RAM upgrade which you could use without changing your whole plan. That way, you'll be able to pay just for the resources that you need and you shall be able to avoid errors on your Internet sites caused by insufficient memory and the inability of the VPS to load the apps.