Display Display diagonal * 51 cm (20.1") Display brightness (typical) 300 cd/m² Display resolution * 1600 x 1200 pixels Response time 16 ms Display technology * LCD Display surface Matt Supported graphics resolutions 1600 x 1200 (UXGA) Aspect ratio 1.33:1 Contrast ratio (typical) * 800:1 Viewing angle, horizontal 89° Viewing angle, vertical 89° 3D compatibility No Panel type * TFT Pixel pitch 0.255 x 0.255 mm Horizontal scan range 30 - 81 kHz Vertical scan range 56 - 76 Hz Viewable size, horizontal 40.8 cm Viewable size, vertical 30.6 cm Multimedia Built-in speaker(s) * No Built-in camera * No Design Market positioning * Business Product colour * Black Ports & interfaces USB hub version 2.0 USB Type-A downstream ports quantity 4 VGA (D-Sub) ports quantity 1 DVI port Yes DVI-D ports quantity 1