The more physical memory your Virtual Private Server has, the more applications you'll be able to run simultaneously. Some apps require a lot of RAM even when nothing else is running on the web server, even though they might not require high CPU speeds or loads of disk space. In case your hosting server runs out of memory, it shall stop responding and the websites and the offline applications you host on it won't perform effectively, as their software components will not load since there won't be any free memory. In this light, we offer a RAM upgrade for our VPS packages, so if you notice that your hosting server is close to the limit, you may take full advantage of this upgrade without upgrading the whole plan and paying for system resources which you won't use. That way, you could ensure the proper performance of your scripts and stop concerning that your site visitors will see errors or will be unable to open your Internet sites at all.