– RAM and CPU. By choosing this option, you can expand or scale down the amount of RAM and CPU available to your server.
– RAM, CPU, and Disk Space. By choosing this option, you can irreversibly expand your Instance’s disk size in addition to increasing the amount of RAM and CPU available to it.
Visit the Resize tab in the Instance section to change the size of your Instance. Keep in mind that a larger amount of CPU and RAM will improve the Instance’s speed and performance, while expanding the disk size will give you more space to store information.