ATEN 4-port USB HDMI KVMP Switch (CS1794) - Video: 1920 x 1080 @ 60Hz / 1920 x 1200 @ 60Hz, Computer Connections: x 4, Port Selection: Hotkey, Pushbutton, Switches: 5 x Pushbutton, Connections Console Ports: 2 x USB Type A Female (rear panel), 1 x HDMI Female (Black), 2 x 3.5 mm Audio Jack Female (Green; 1 x front, 1 x rear), 2 x 3.5 mm Audio Jack Female (Pink; 1 x front, 1 x rear), KVM Ports: 4 x USB Type B Female, 4 x HDMI Female (Black), 4 x 3.5 mm Audio Jack Female (Green), 4 x 3.5 mm Audio Jack Female (Pink), Firmware Upgrade: 1 x 3.5 mm Audio Jack Female (Black), Power: 1 x DC Jack, USB Hub: 2 x USB Type A Female (1 x front panel; 1 x rear panel)