| Display Features | ||
| Panel Type | QD-OLED | |
| Display Size | 27 inch | |
| Resolution | 2K QHD (2560×1440) | |
| Pixel pitch(MM) | 0.2292 mm | |
| Aspect Ratio | 16:9 | |
| Viewing Angle | 178°/ 178° | |
| Brightness | 250 cd/m² | |
| Contrast Ratio | 150000:1 | |
| Refresh Rate | 240Hz | |
| Color Support | 10-bit 1.07 billion |
|
| Color Gamut | 100% sRGB, 98% DCI-P3 | |
| Response Time | 0.03ms (Grey to Grey) | |
| Curvature | Flat | |
| Video Features | ||
| G-Sync Support | Yes | |
| Free Sync Support | Yes | |
| Others | RGB Lightning Effects On the back | |
| Connectivity | ||
| Display Port | 1x DisplayPort 1.4 | |
| HDMI | 2x HDMI 2.0 | |
| Audio Jack | 1x Audio Out | |
| Mechanical Design | ||
| Tilt | Yes | |
| Swivel | Yes | |
| Pivot | Yes | |
| Height Adjustment | Yes | |
| Vesa Wall Mount | 100x100mm | |
| Physical Specification | ||
| Color | Black | |
| Warranty Information | ||
| Warranty | 3 years | |
Upgrade your gaming setup with the KOORUI S2721XO 27" 2K QHD 240Hz QD-OLED Gaming Monitor. Designed for gaming enthusiasts and competitive players, this monitor combines high-resolution visuals, a high refresh rate, and advanced OLED display technology for an immersive viewing experience.
The 27-inch QHD resolution of 2560 × 1440 pixels delivers sharp details and clear images, making it suitable for competitive shooters, racing games, action titles, and visually rich adventures. Compared with Full HD displays, QHD resolution provides additional detail for gaming, entertainment, and everyday productivity.
With its advertised 240Hz refresh rate, the KOORUI S2721XO provides smooth motion and fluid on-screen transitions. The high refresh rate is particularly useful in fast-paced games, where clear motion and responsive visuals can enhance the overall experience.
Quantum Dot OLED (QD-OLED) technology combines OLED's self-emissive pixels with Quantum Dot color reproduction. This technology enables deep blacks, high contrast, vibrant colors, and excellent pixel-level lighting control. Unlike conventional LCD monitors, OLED displays can turn individual pixels off to produce true black areas, enhancing contrast in dark gaming environments.
OLED technology also offers extremely fast pixel response, helping reduce motion blur and ghosting during rapid on-screen movement. These characteristics make QD-OLED displays appealing to esports players, gaming enthusiasts, and users who value premium visual quality.
Whether you are building a high-end gaming PC, playing competitive multiplayer games, or enjoying movies and digital content, the KOORUI S2721XO combines detailed QHD visuals with fast gameplay and advanced display technology.
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27-inch display for immersive gaming
2K QHD resolution (2560 × 1440)
240Hz refresh rate for smooth gameplay
Quantum Dot OLED (QD-OLED) display technology
Deep blacks and high contrast
Vibrant colors and rich visual detail
Fast pixel response for reduced motion blur
Ideal for competitive gaming and esports
Suitable for premium PC gaming and entertainment
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