HP Business Z27s 27" LED LCD Monitor - 16:9 - 6 ms - 3840 x 2160 - 1.07 Billion Colors - 300 Nit - 5,000,000:1 - 4K UHD - HDMI - DisplayPort - USB - 92 W - Black - ENERGY STAR, TCO Certified Displays, China Energy Label (CEL), CECP, REACH, EPEAT Gold