Gaming Monitor ROG Strix Model Number: OLED XG27ACDMS From ASUS (in black) compatible with G-SYNC, - Specifications / With a refresh rate of 280 Hz, And a response time of 0.03 ms 26.5 inches (27 inches) Lighting: Brightness up to 1000 nits (in HDR mode). Ports: HDMI 2.1 / DisplayPort 1.4 / USB-C (15W). , with a dedicated thermal cooler and a Neo Proximity sensor for uniform brightness (New, unused)