Aten Desktop KVM Switch 8 Port Single Display HDMI w/ Audio, 2x Custom KVM Cables Included, Cascadable Up to 512 Computers via 3 Levels, Multi DisplayThe CS1798 8 port USB HDMI KVM Switch is a multi purpose appliance that consolidates access and control of up to 8 HDMI computers from a single USB keyboard, USB mouse, and monitor console. The CS1798 can be cascaded up to three levels to control up to 512 computers all from a single console. In addition the CS1798 features multi display functionality, which enables the use of standard USB cables to stack up to eight switches in a multi display