A Grade - Dell P1917S 19" LED Monitor Technical Specifications Display Diagonal Viewing Size: 19.0 Inches Preset Display Area (H x V): 374.78 mm x 299.83 mm Aspect Ratio: 5:4 Backlight Technology: LED Display Screen Coating: Antiglare with 3H hardness Panel Type: In-Plane Switching Technology Maximum Preset Resolution: 1280 1024 at 60Hz Viewing Angle: 178 vertical / 178 horizontal Contrast Ratio: 1000: 1 (typical), 4 Million: 1 (Dynamic) Pixel Pitch: 0.293 mm x 0.293 mm Pixel Per Inch (PPI): 86 Brightness: 250 cd/m (typical) Response Time: 6 ms (gray to gray - fast mode), 8 ms (gray to gray -normal mode) Connectivity 1 x DP (ver 1.2) 1 x HDMI (ver 1.4) 1 x VGA 1 x USB 3.0 port - Upstream 2 x USB 3.0 ports - Side 2 x USB 2.0 ports - Bottom