The ROG Swift OLED PG42UQ is a 41.5-inch 4K OLED gaming monitor that features an anti-glare micro-texture coating to reduce reflections to ensure you see more accurate onscreen colors. Its superfast 138 Hz (overclocked) refresh rate and blazing 0.1 ms response time delivers incredibly immersive gaming on a larger scale. Plus 98% DCI-P3 gamut, true 10-bit color and Delta E < 2 ensure true-to-life colors and the darkest-possible black hues.