Lenovo ThinkVision Pro2840m 28" LED LCD Monitor - 16:9 - 5 ms - 3840 x 2160 - 1.073 Billion Colors - 270 Nit - 3,000,000:1 - 4K UHD - Speakers - HDMI - DisplayPort - USB - Black - ENERGY STAR 6.0, TCO Certified Edge Displays 1.2, EPEAT Gold, ULE Gold, T