1)There are two options. one is USB 2.0 KVM SWITCH 2X4; another is USB 3.0 KVM SWITCH 2X4. USB 2.0 KVM SWITCH. USB 3.0 KVM SWITCH 2X4. The 4 port USB sharing switch allows one button swapping between 2 computers to share 4 USB 2.0 peripheral devices without constantly swapping cables or setting up complicated network sharing software.
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