AV4PRO-DP 4 PORT USB / DISPLAY PORT KVM SWITCHControl Four Computers with DisplayPort Screens from a single KVM Console, Full DisplayPort video with 2560 , 1600 resolution, DisplayPort 1.1 with 4 lanes at 2.7Gb/s, True emulation USB 2.0 technology, Broad USB 2.0 Hi Speed device support, Independent simultaneous device selection, Scanners, Printers etc. can all be used simultaniously, Keyboard, mouse or OSD channel selection, RS232 for synchronisation and upgrade