Samsung DB55E 55 DB-E Series Slim Direct-Lit LED Display - LH55DBEPLGA/GO Aspect Ratio: 16:9 Brightness: 350 cd/m2 Contrast Ratio (Typical): 5000:1 Viewing Angle: 178°(H) / 178°(V) VESA Compatible: 400 x 400mm DVI Port: DVI-D(HDMI Common) Component: 1 In USB Port: USB 2.0 x 1