ROG Strix OLED XG27ACDMS Gaming Monitor OLED Display and Resolution The ROG Strix OLED XG27ACDMS features a 26.5-inch QD-OLED panel with a 2560 x 1440 resolution and a 16:9 aspect ratio. The display uses an anti-reflection surface and provides a typical brightness of 250 cd/m², with HDR peak brightness reaching up to 1,000 cd/m² under the specified conditions. Its 1,500,000:1 typical contrast ratio is complemented by 10-bit colour support and 1.073 billion display colours. The monitor also offers 178-degree horizontal and vertical viewing angles. With its QHD resolution and OLED panel technology, the display provides a detailed viewing area for gaming, multimedia, creative applications, and general desktop use. Refresh Rate and Response The monitor is designed around a maximum refresh rate of 280Hz, providing a high-frequency display option for fast-moving games and other content. Its specified 0.03ms GTG response time complements the high refresh rate, while Adaptive-Sync variable refresh rate technology is included for compatible systems. The monitor is also certified as VESA AdaptiveSync Display 280Hz and is listed as G-SYNC Compatible. Extreme Low Motion Blur is available as an additional display feature. HDR10 support provides compatibility with suitable high-dynamic-range content. These specifications give the XG27ACDMS a display configuration focused on smooth motion, rapid response, and responsive gaming, while remaining suitable for general visual content. Gaming and Display Features The ROG Strix OLED XG27ACDMS includes a selection of gaming-focused features designed to provide additional control over the display experience. ASUS GamePlus and GameVisual functions are available, along with Shadow Boost and Aspect Control. The monitor also incorporates AI Visual, Dynamic Crosshair, and Dynamic Shadow Boost features. DisplayWidget Center software can be used for monitor control and includes access to colour calibration reporting. Flicker-Free technology and TÜV Low Blue Light certification are also included. ASUS OLED Care provides additional display management features. Together, these functions provide options for adjusting visual settings, improving visibility in selected scenarios, and managing the monitor according to different gaming and desktop requirements. Connectivity and Adjustable Stand Connectivity includes one DisplayPort 1.4 connection with DSC, one HDMI 2.1 port using FRL, and one USB-C port supporting DisplayPort Alt Mode. The USB-C connection also provides 15W Power Delivery, while a 3.5mm earphone jack is available for audio. The stand provides tilt adjustment from +20° to -5°, swivel adjustment of +45° to -45°, and pivot adjustment of +90° to -90°. Height adjustment is available across a 110mm range. A 100 x 100mm VESA mounting pattern allows the monitor to be installed on compatible mounting equipment, while a Kensington Lock is included for physical security. Design and Practical Use The monitor has an estimated physical size of 60.9 x 44.9 x 18.8cm with the stand attached and weighs approximately 6.1kg in that configuration. Without the stand, its dimensions are approximately 60.9 x 36.9 x 6.6cm and its weight is around 3.8kg. A 1/4-inch tripod socket provides an additional mounting option, while the supplied accessories include a DisplayPort cable, VESA mount kit, microfiber cloth, quick-start guide, ROG pouch, and ROG sticker. The monitor has TÜV Flicker-Free certification and a three-year warranty that includes panel burn-in coverage. Its combination of OLED technology, high refresh rate, flexible positioning, and multiple inputs makes it suitable for modern gaming and desktop setups.