DisplayPort 1.2 KVM Required cabling sold separately (4x TK-CP06) 3.5mm speaker and microphone connections Resolutions & refresh rates ? Up to 1920 x 1080 @ 144Hz ? Up to 1920 x 1200 @ 144Hz ? Up to 1920 x 1440 @ 144Hz ? Up to 2560 x 1440 @ 144Hz ? Up to 3440 x 1440 @ 60Hz ? Up to 3840 x 2160 @ 60Hz Designed for use with DisplayPort systems 2-Port USB 2.0 hub for storage devices and printers No CD installation required TRENDnet''s 4-Port DisplayPort KVM Switch, model TK-441DP, allows you to control four computers with one set of console controls. Experience up to 4K UHD resolution with this DisplayPort KVM switch, no driver installation required. The TK-441DP DisplayPort KVM switch is designed for systems with DisplayPort, USB mouse and keyboard connections, and features a two-port USB hub to share storage devices or printers between computers.