An underpowered PSU can also be one of many aspects for stuttering, because if your CPU and GPU is not really having adequate ability, or steady and clean energy at superior hundreds then they don't functionality to their total ability, and in worst scenarios, your PSU can even blow up, http://lukasttlbt.dailyblogzz.com/809181/a-secret-weapon-for-fall-guys-ultimate-knockout-physical-copy-album-cover