ATEN 4x4 4K HDMI Matrix Switch (VM0404HA) - Max Resolution: Up to 4096 x 2160 / 3840 x 2160 @ 60Hz (4:2:0), Max. Data Rate: 10.2 Gbps (3.4 Gbps Per Lane), Video Input Interfaces: 4 x HDMI Type A Female (Black), Video Output Interfaces: 4 x HDMI Type A Female (Black), Control USB: 1 x Micro USB, RS-232: Connector: 1 x DB-9 Female (Black), IR: 1 x Mini Stereo Jack Female (Black), Connectors Power: 1 x DC Jack (Black)