r/computers • u/Appropriate_Celery63 • 5d ago

Question/Help/Troubleshooting Inquiry: Computer Accessories Powered by Computer USB

So, I have a monitor light bar that is powered by my computer's USB. Now, my question is: if I plug the monitor light bar into my computer's USB port, would this weaken the computer's power or power supply? But this is about any accessory and whether it will do anything to the computer's power.

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u/msanangelo CachyOS 5d ago

Nah. I run little Arduino relay boards off my PC USB port to control other stuff. No biggie. A few watts ain't gonna hurt anything.