l。 Using one set of keyboard, mouse and monitor to control 4 Dual graphics cards devices 2.Support Unix /Windows /Debian /Ubuntu /Fedora /Mac OS X /Raspbian and other Linux based system 3.With EDID emulators in every input ports, keep PCs always have correct display information,when the switch connect diplayer, all EDID will be updated 4.Support hot plug, connect or disconnect devices to the KVM switch in任何时间且无需关闭设备。5。支撑前面板按钮，键盘热键控制KVM开关6.支撑分辨率高达3840*2160@30Hz。