Control up to 8 usb computers with dvi or hdmi video from one keyboard mouse and monitorr r high resolution 1920x1200 dvi connections support control of dvi systems or hdmi systems with adapterr supports wireless and combo style mouse and keyboard sets for added flexibilityr rugged solid steel rack mountable case offers durability even in harsh environmentsr r the sv831dviu 8 port 1u rack mount dvi usb kvm switch lets you control up to 8 usb connected computers each with dvi or hdmi displ