Lenovo D27-30 27-inch Monitor (66B8KAC6SA) - Display: 27-inch, Resolution: 1920x1080, Contrast Ratio: 3000:1, Response Time: 4 ms (Extreme mode) / 6 ms (Typical mode) / 14 ms (Off mode), Aspect Ratio: 16:9, Brightness: 250 nits, Refresh Rate: 75 Hz (Only for HDMI input), Connectivity: Video Connector: HDMI, VGA, Adjustability: Tilt Stand, Operating System Support: Support Windows 7, Windows 10