The more physical memory your VPS has, the more applications you will be able to run at the same time. Some apps require plenty of RAM even when nothing else is running on the server, even though they might not demand high CPU speeds or loads of disk space. If your server runs out of memory, it'll stop responding and the websites and the offline apps which you host on it will not work adequately, as their software components shall not load since there will not be any free memory. In this light, we offer a RAM upgrade for our VPS plans, thus if you discover that your machine is close to the limit, you'll be able to take advantage of this upgrade without upgrading the whole package and paying for resources which you won't use. In this way, you'll be able to guarantee the proper performance of your scripts and stop concerning that your site visitors shall see errors or won't be able to open your Internet sites at all.