Lenovo ThinkVision X1 27″ 4K Ultra HD IPS Black.The ThinkVision X1 monitor is the worldâ€TMs slimmest 27-inch UHD display, which brings a super slim appearance together with an elegant metal stand. Resolution of 3840×2160 and 100% sRGB colour gamut offers you a wonderful visual experience. Besides the latest HDMI2.0 and DP1.2 ports, which can support UHD resolution at 60Hz, it is also equipped with a full-function USB 3.1 Type-C port. This Type-C port not has a reversible plug, but can also charge and transit video and USB data all through a single cable. Moreover, the X1 monitor also has an FHD camera with dual-array microphone and stereo speakers, which are specially design to offer you the best VOIP experience. ThinkVision X1 is also the worldâ€TMs 1st monitor with TUV Eye Comfort certification, which ensures the best care for your health when using this monitor. And, as Lenovo’s legacy, X1 continues Lenovo’s energy-saving and environmental-protection idea. It is Energy-Star 7.0, CEL tier 1 and RoHS compliant.