These KVM switches implement the DVI interface technology for digital video. They provide crisp and clear digital image for design, entertainment or gaming. What is a DVI KVM? A. KVM switches allow one or more users to easily access multiple computers, managing various video channels and USB peripherals. Operators can take control of up to 8 computers. 0 USB devices such as for. Raritan offers a full suite of KVM and Serial accessories to help maximize the functionality and manageability of your KVM switches, including DVI extenders, computer interface modules (CIMs), converters, adapters, emulators, cables, and rackmount brackets.