The ProLite XB2791QS features a 27'' QHD (2560x1440) display with a sleek 4-side ultra slim bezel design, helping you create a clean and modern multi-monitor workspace. The IPS panel delivers sharp detail, vivid colours and consistent brightness from all angles. Flicker-free technology and a blue light reducer enhance eye comfort, especially during extended use. Its ergonomic stand offers 15cm of height adjustment along with tilt, swivel and pivot functions, so you can easily position the screen to suit your posture and stay comfortable throughout the day. Integrated speakers and a headphone socket support a clutter-free desk setup while providing convenient audio for calls. With EPEAT Silver registration and TCO Certified compliance, the XB2791QS supports both efficient work and responsible energy use.
Technical specifications
Display
| Display diagonal | 68.6 cm (27") |
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| Display resolution | 2560 x 1440 pixels |
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| HD type | Quad HD |
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| Native aspect ratio | 16:9 |
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| Display technology | LED |
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| Panel type | IPS |
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| Touchscreen | No |
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| Display brightness (typical) | 350 cd/m² |
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| Response time (MPRT) | 1 ms |
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| Display surface | Matt |
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| Screen shape | Flat |
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| Contrast ratio (typical) | 1000:1 |
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| Contrast ratio (dynamic) | 80000000:1 |
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| Maximum refresh rate | 75 Hz |
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| Viewing angle, horizontal | 178° |
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| Viewing angle, vertical | 178° |
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| Display number of colours | 16.7 million colours |
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| Pixel pitch | 0.233 x 0.233 mm |
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| Horizontal scan range | 30 - 112 kHz |
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| Viewable size, horizontal | 59.7 cm |
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| Viewable size, vertical | 33.6 cm |
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| Display diagonal (metric) | 68.5 cm |
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| Colour gamut standard | NTSC, sRGB |
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| sRGB coverage (typical) | 100% |
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| NTSC coverage (typical) | 72% |
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Performance
| NVIDIA G-SYNC | No |
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| AMD FreeSync | Yes |
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| Flicker-free technology | Yes |
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| Low Blue Light technology | Yes |
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Multimedia
| Number of speakers | 2 |
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| RMS rated power | 4 W |
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| Built-in speaker(s) | Yes |
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| Built-in camera | No |
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Design
| Market positioning | Business |
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| Product colour | Black |
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Ports & interfaces
| Built-in USB hub | No |
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| HDMI | Yes |
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| HDMI ports quantity | 1 |
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| HDMI version | 1.4 |
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| DisplayPorts quantity | 1 |
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| DisplayPort out version | 1.2 |
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| Headphone out | Yes |
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| HDCP | Yes |
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Ergonomics
| VESA mounting | Yes |
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| Panel mounting interface | 100 x 100 mm |
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| Cable management | Yes |
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| Cable lock slot | Yes |
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| Cable lock slot type | Kensington |
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| Height adjustment | Yes |
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| Adjustable height (max) | 15 cm |
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| Pivot | Yes |
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| Swivelling | Yes |
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| Swivel angle range | -60 - 60° |
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| Tilt adjustment | Yes |
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| On Screen Display (OSD) languages | Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Russian, Ukrainian |
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Power
| Energy efficiency class (SDR) | D |
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| Energy efficiency class (HDR) | Not available |
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| Energy consumption (SDR) per 1000 hours | 17.1 kWh |
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| Power consumption (typical) | 17 W |
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| Power consumption (standby) | 0.4 W |
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| Power consumption (off) | 0.3 W |
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| AC input voltage | 100 - 240 V |
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| AC input frequency | 50/60 Hz |
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| Power supply type | Internal |
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| Energy efficiency scale | A to G |
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Weight & dimensions
| Width (with stand) | 613 mm |
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| Depth (with stand) | 224.5 mm |
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| Height (with stand) | 548 mm |
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| Weight (with stand) | 5.4 kg |
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| Height (without stand) | 404 mm |
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Sustainability
| Sustainability certificates | ErP, TCO |
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Technical details