Introduction
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.
Display
Display diagonal
68.6 cm (27")
Display resolution
2560 x 1440 pixels
HD type
Quad HD
Native aspect ratio
16:9
Display technology
LED
Panel type
IPS
Touchscreen
No
Display brightness (typical)
350 cd/m²
Response time (MPRT)
1 ms
Display surface
Matt
Screen shape
Flat
Contrast ratio (typical)
1000:1
Contrast ratio (dynamic)
80000000:1
Maximum refresh rate
75 Hz
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Display number of colours
16.7 million colours
Pixel pitch
0.233 x 0.233 mm
Horizontal scan range
30 - 112 kHz
Viewable size, horizontal
59.7 cm
Viewable size, vertical
33.6 cm
Display diagonal (metric)
68.5 cm
Colour gamut standard
NTSC, sRGB
sRGB coverage (typical)
100%
NTSC coverage (typical)
72%
Performance
NVIDIA G-SYNC
No
AMD FreeSync
Yes
Flicker-free technology
Yes
Low Blue Light technology
Yes
Multimedia
Number of speakers
2
RMS rated power
4 W
Built-in speaker(s)
Yes
Built-in camera
No
Design
Market positioning
Business
Product colour
Black
Ports & interfaces
Built-in USB hub
No
HDMI
Yes
HDMI ports quantity
1
HDMI version
1.4
DisplayPorts quantity
1
DisplayPort out version
1.2
Headphone out
Yes
HDCP
Yes
Ergonomics
VESA mounting
Yes
Panel mounting interface
100 x 100 mm
Cable management
Yes
Cable lock slot
Yes
Cable lock slot type
Kensington
Height adjustment
Yes
Adjustable height (max)
15 cm
Pivot
Yes
Swivelling
Yes
Swivel angle range
-60 - 60°
Tilt adjustment
Yes
On Screen Display (OSD) languages
Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Russian, Ukrainian
Power
Energy efficiency class (SDR)
D
Energy efficiency class (HDR)
Not available
Energy consumption (SDR) per 1000 hours
17 kWh
Power consumption (typical)
17 W
Power consumption (standby)
0.5 W
Power consumption (off)
0.3 W
AC input voltage
100 - 240 V
AC input frequency
50/60 Hz
Power supply type
Internal
Energy efficiency scale
A to G
Weight & dimensions
Width (with stand)
613 mm
Depth (with stand)
224.5 mm
Height (with stand)
548 mm
Weight (with stand)
5.4 kg
Height (without stand)
404 mm
Packaging data
Package width
691 mm
Package depth
142 mm
Package height
442 mm
Package weight
7.8 kg
Packaging content
Cables included
AC, HDMI
HDMI cable length
1.5 m
Power cable length
1.5 m
Sustainability
Sustainability certificates
ErP, TCO
Other features
User controls
colour settings (i-Style colour, blue light reducer, RGB range, colour temperature, user preset), OSD (OSD H. position, OSD V. position, OSD rotate, OSD time, OSD background, DDC/CI control, display information), language, extra 1 (sharpness, video mode adjust, opening logo, power LED), extra 2 (shortcut key), input select, audio settings (volume, mute audio), reset (reset all?)
Packaging content
quick start guide, safety guide
Weight
5.4 kg
Width
613 mm
Depth
224.5 mm
Control panel
Joystick: Power/Menu (Centre), Up/Signal Select, Down, Left/Submenu, Right/Volume
Compliance certificates
CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE
Technical details
Native refresh rate
60 Hz
