The sv565utpdua usb 20 dvi kvm console extender w audio lets you operate a usb dvi d digital kvm or pc up to 500 meters 1640 feet away over cat5 or better cable as if it were right in front of you this versatile console extender features 3 high speed usb 20 ports allowing you to connect your keyboard mouse unlike other extenders however the sv565utpdua supports real usb 20 signal over long distances so you can also connect an external hard drive thumb drive webcam or a