Aten CS1844 4-Port USB3.0 4K HDMI Dual Display KVMP Switch - Computer Connections: 4 - Console Ports: 2x USB Type-A Female, 2x HDMI (Black), 2 x 3.5mm Audio Jack Female (Green; 1 x front, 1 x rear), 2 x 3.5mm Audio Jack Female (Pink; 1 x front, 1 x rear) - KVM Ports: 4x USB3.1 Gen1 Type B Female (Blue), 8x HDMI Female (Black), 4x 3.5mm Audio Jack Female (Green), 4x 3.5mm Audio Jack Female (Pink) - CS1844 - CS1844-AT-U - 2 Years Limited Warranty