A high-resolution dual-head KVM extender. Ultra-high definition 4K60 video, USB2.0 and audio are transmitted on a single CATx or fiber cable The ADDERLink XD642 is a high performance KVMA (Keyboard, Video, Mouse and Audio) extender that is designed to provide reliable and real-time access to critical computers – regardless of the location, whilst maintaining the same user desktop experience. Developed for enterprise organizations and high-pressure control rooms, it combines the simplicity of true plug and play and high performance 4K KVM extension; resulting in superior functionality and flexibility in a cost-effective, reliable and straightforward solution. Dual-head 4K60 video, USB2.0 and audio Point-to-point protocol for ultra-low latency. Flexibility between copper and fiber connectivity.  Adder’s USB emulation ensures reliable computer bootup.