Black Box Secure DisplayPort KVM Cable - USB A-B, 3.5mm Audio, 6-ft. - 6 ft DisplayPort/Mini-phone/USB Audio/Video/Data Transfer Cable for Audio/Video Device, KVM Switch - First End: 1 x DisplayPort Male Video, First End: 1 x USB Type A Male, First End: 1

Black Box Secure DisplayPort KVM Cable - USB A-B, 3.5mm Audio, 6-ft. - 6 ft DisplayPort/Mini-phone/USB Audio/Video/Data Transfer Cable for Audio/Video Device, KVM Switch - First End: 1 x DisplayPort Male Video, First End: 1 x USB Type A Male, First End: 1 x 3.5mm Male Stereo Audio - Second End: 1 x DisplayPort Male Video, Second End: 1 x USB Type B Male, Second End: 1 x 3.5mm Male Stereo Audio - Black - TAA Compliance

Choose this 3-1 cable to link two DisplayPort/USB devices together.