"USB bus powered - no power supply required."
vs.
"Please use a standard DC 5V USB power adapter (not included, sold separately)."

Do I need a separate power supply or not? I just want to connect a keyboard and mouse so I don't always have to switch between the two PCs.

Question

"USB bus powered - no power supply required."
vs.
"Please use a standard DC 5V USB power adapter (not included, sold separately)."

Do I need a separate power supply or not? I just want to connect a keyboard and mouse so I don't always have to switch between the two PCs.

Accepted Answer

I use the box to switch the keyboard, mouse and webcam between 2 PCs. I don't need a power supply for this. The box is powered by the USB interface of the PCs.

Your data. Your choice.

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Question about Ugreen 2 In 4 Out Sharing Switch Box

"USB bus powered - no power supply required." vs. "Please use a standard DC 5V USB power adapter (not included, sold separately)." Do I need a separate power supply or not? I just want to connect a keyboard and mouse so I don't always have to switch between the two PCs.