Samsung Odyssey G5 G50D 27-inch QHD 2K IPS 180Hz HDR 400 Gaming Monitor with VESA and QHD Display HDR 400 combines to produce incredibly clear images. Commands are as quick as your reflexes thanks to a 180 Hz refresh rate and a 1 ms response time (GtG). Hyper-fast actions appear fluid thanks to AMD FreeSync. HDR 400 Gaming Monitor, Samsung 27-inch Odyssey G5 G50D QHD 2K IPS 180Hz Display 180 Hz refresh rate and 1 ms response time (GtG) for real-time response Scenes should be accelerated. Its 180Hz refresh rate helps it avoid lag and provide a smooth and enjoyable gaming experience. Take down enemies with minimal blur as soon as you see them thanks to a 1 millisecond response time (GtG). More triumphs with eyes rested Reduced Screen Flickering and Eye Saver Mode