Startechcom kvm switches and accessories startechcom sv431usb this sv431usb 4 port rack mountable vga usb kvm switch and hub from startechcom offers simple control of up to four computers from a single monitor and usb peripheral setthe usb kvm switch features an integrated 4 port usb hub allowing you to share connected usb peripherals between the four controlled pcmac computers as though the devices were connected directlyoffering convenient placement and installation options the kvm