Alienware 24.5-inch 240Hz Gaming Monitor - AW2521HF is engineered with: An impressively fast 240Hz refresh rate allows fast-moving visuals to be seen with incredible clarity so you can react quickly to in-game situations. Rapid 1ms GtG (Gray to Gray) response time eliminates motion blur and ensures a consistently smooth performance during high-speed action. Fast IPS technology delivers incredible image clarity and consistent colors from every angle with support for 99% sRGB color coverage. NVIDIA® G-SYNC® Compatible Certification and AMD FreeSync™ Premium Technology ensures that graphic distortions like screen tearing and stuttering are minimized for sharp, seamless gameplay. The distinct and gaming-centric design offers both functional and aesthetic benefits for gamers, such as a downlight for ambient lighting during low-light gaming sessions and uniquely designed vents located in the back keeping everything cool while working hard.