ATEN 4x4 True 4K HDMI Matrix Switch (VM0404HB) - Max Resolution: Up to 4096 x 2160 / 3840 x 2160 @ 60Hz (4:4:4), Max. Data Rate: 18 Gbps( 6 Gbps Per Lane), Video Input Interfaces: 4 x HDMI Type A Female (Black), Video Output Interfaces: 4 x HDMI Type A Female (Black), Control RS-232: Connector: 1 x DB-9 Female (Black), IR: 1 x Mini Stereo Jack Female (Black), Ethernet: 1 x RJ-45 Female, Connectors Power: 1 x 3-Prong AC Socket