Does more RAM help to speed up my computer? By YL ComputingSpeed Up PC Yes! Adding more RAM to your computer can help to speed up the performance of your system. Having more RAM allows your computer to access and run more applications and tasks at the same time, resulting in increased overall speed and performance. Related Content:What can I do to reduce the amount of background applications running on my PC to speed it up?What software can I use to improve the performance of my PC?What can I do to reduce computer start-up time?