The more physical memory your VPS has, the more apps you shall be able to run at the same time. Some applications require lots of RAM even if nothing else is running on the web server, even though they might not require high Processor speeds or plenty of disk space. In the event your web server runs out of memory, it shall stop responding and the websites and the offline applications that you host on it shall not function properly, 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 Virtual private server solutions, therefore if you discover that your machine is close to the limit, you can take advantage of this upgrade without upgrading the whole plan and paying for system resources that you will not use. That way, you can ensure the proper operation of your scripts and stop concerning that your website visitors shall see errors or will not be able to open your Internet sites at all.