SIIG 4-Port DisplayPort 1.2 Video Switchbox with Remote Control up to 3840x2160 (4Kx2K) @ 30Hz HIGH QUALITY VIDEO SWITCHBOX - sharing one DisplayPort display between four DisplayPort sources DISPLAYPORT 1.2 COMPLIANT - compatible with dual-mode DisplayPort Source operation with 1.62, 2.7 and 5.4Gbps link rates supported HIGH RESOLUTION VIDEO - supports resolution up to 3840x2160 (4Kx2K) @ 30Hz & 2560x1600 @ 60Hz delivering high definition images/videos EASY TO USE - switching between four DisplayPort sources by IR remote control or panel push button FAST AND SIMPLE TO SETUP - no software installation required