CONTROL FOUR COMPUTERS: This 4-port Dual monitor DisplayPort KVM 1.2 KVM switch allows you to control four computers with one set of console controls and is designed for use with Dual DisplayPort systems. The KVM switch is designed to connect DisplayPort monitors. [Recommended for use with DisplayPort monitors and graphic cards with DisplayPort] 4K UHD RESOLUTION: This 4-port KVM switch enables you to experience up to 4K UHD resolutions 3840 x 2160 @ 60Hz and up to 2560 x 1440 @144 Hz AUDIO SUPPORT: The KVM switch provides full audio support with 3.5mm Microphone and speaker jacks that maximize work station productivity USB 2.0 HUB: The KVM switch is designed with two additional USB ports to connect storage drives and printers between computers. REQUIRED CABLING: We recommend using this KVM switch with 4 x TK-CP06 TRENDnet DisplayPort, USB, and Audio KVM Cable Kits (Sold Separately) + 4 x DisplayPort Cables USB MOUSE & KEYBOARD: True Transparent USB (TTU) emulation technology supports