The ATEN VM0404HA 4x4 4K HDMI Matrix Switch supports 4K resolutions of UHD (3840 x 2160) and DCI (4096 x 2160) with refresh rates of 30 Hz (4:4:4) and 60 Hz (4:2:0). Ready for the future of high definition video switching, the VM0404HA is ideal for applications where the routing of 4K digital signals is required, such as in classrooms, auditoriums, department stores and more. The VM0404HA matrix switch offers an easy and affordable way to route any of 4 HDMI video sources to any of 4 HDMI displays and can be operated through front-panel pushbuttons, IR remote and RS232 control, ensuring optimum viewing and control of high-definition video.