Features of Samsung 55NU8000 55 Inch 4K Ultra HD Smart LED TelevisionGeneral Type LED Screen Size 55 Inches Resolution 3840 x 2160 Pixels Display 4K Ultra HD 3D No Smart TV Yes Curved TV No Video Features Contrast Ratio Contrast Enhancer (Static) Backlight Module Edge LED Audio Features Speakers 2 Sound Output (RMS) 40 W Connectivity Features HDMI 4 USB 2 Wi-Fi Yes Power Requirements Power Supply AC 100 - 240 V, 50/60 Hz Power Consumption (Operational) 150 Watts Power Consumption (Standby) 0.5 Watts Dimensions Dimensions (W x H x D) with Stand 1227.1 x 787.1 x 322 mm Dimensions (W x H x D) without Stand 1227.1 x 710.7 x 54.9 mm Other Features Web Browser Yes More Features Tizen OS