Acer Predator XB1 XB271HK bmiprz 27" 4K UHD IPS LED Gaming Monitor - 3840x2160 - 16:9 - 4ms - 300 cd/m2 - 1.07 Billion Colors - Supports G-SYNC - Built-in Stereo Speakers - HDMI - DisplayPort - USB 3.0 port (UM.HX1AA.002)