ATEN 4-Port USB DVI Dual Display Secure KVM Switch PSS PP v3.0 Compliant (CS1144D) - Video: 3840x2160@30Hz; DVI Dual Link: 2560x1600; DVI Single Link: 1920x1200; DVI-A: 2048x1536, Power: 1 x 3-prong AC Socket, Power Consumption:AC110V:8.2W:58BTU; AC220V:7.8W:56BTU, Computer Connections: 4, Port Selection: Push button, Keyboard / Mouse: USB, Connectors: Console Ports: 2 x USB Type-A Female (Black), 1 x 6-pin Mini-DIN Female (Purple), 1 x 6-pin Mini-DIN Female (Green), 2 x DVI-I Dual Link Female (White), 1 x Mini Stereo Jack Female (Green; front panel), KVM Ports: 8 x USB Type-B Female (White), 8 x DVI-I Dual Link Female (White), 4 x Mini Stereo Jack Female (Green), USB CAC Port: 1 x USB Type-A Female (White; front panel)