This fast refresh rate AOC gaming monitor is ready for 4K HDR immersive gaming. What we love - The 4K Ultra HD resolution brings amazing detail to everything happening on screen - VESA certified HDR delivers super-sharp contrast and brightness - 144 Hz refresh rate and 1 ms response time makes it perfect for smooth gameplay Good to know - Both NVIDIA G-Sync and AMD FreeSync technologies are supported, so no more screen tearing, blurring and other artefacts for smooth action in games and films - The IPS display provides amazing colours and wide viewing angles - AOC Shadow Control adjusts grey levels for better picture detail and brighter dark areas - Integrated speakers provide rich sound - There's lots of connectivity options, including HDMI, DisplayPort and USB ports for plugging in your accessories - You can tilt and adjust height to get your viewing angle just right