UHD image quality for incredible details: Samsung U28R550UQU Features: Screen diagonal: 70 cm / 28 Inch screen resolution: 3,840 x 2,160 Pixels HDR10 for vibrant colours AMD FreeSync for smooth gaming Frameless design (on 3 sides) Contrast ratio: 1,000:1 Response time: 4 ms Viewing angle h/v: 178°/178 Active Eye Saver Fashion Flicker Free Technology game mode