ConnectPRO 8-Port USB/VGA KVM Switch w/DDM UR-18-PLUS-KIT Compatible with all versions of Windows, Linux and Mac. Supports up to 1920x1080 display resolution. Built-in All-time Full DDC for reliable, stable video performance. Dynamic Device Mapping (DDM) for USB reliability and instantaneous switching. Includes USB/VGA KVM Cables and power supply.