What happens when you overclock your system?

If done correctly, you will notice a faster performance in your system. if you have a high end graphic card, overclocking also eliminates any CPU bottleneck and gives higher fps results. However, it will also make your computer produce more heat so it is best to add more ventilation.

Overclocking, if done incorrectly, will make your computer unstable and prone to more system crashes or hardware failure. Unless you're an experienced IT person, don't try to overclock it too much.