Lenovo ThinkVision T27h-20 27" Class WQHD LCD Monitor - 16:9 - Raven Black - 27" Viewable - In-plane Switching (IPS) Technology - WLED Backlight - 2560 x 1440 - 16.7 Million Colors - 350 cd/m² Typical - 4 ms - 60 Hz Refresh Rate - HDMI - DisplayPort - USB Hub