Recommended Hardward. "The XG240R supports 8bit color (6bit + FRC dithering). The Viewsonic XG240R sports a 1080p panel with a refresh rate of 144 Hz and a response time of 1 ms. This makes the Viewsonic XG240R great for competitive, fast paced games such as CSGO. However, the 144 Hz refresh rate makes a huge difference in your experience ...