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Samsung C34J791WTR 34″ UltraWide Quad HD QLED Grey

SKU: LC34J791WTRXXU Category:

£560.26 ex VAT

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Samsung C34J791WTR 86.4cm (34″) 3440 x 1440 pixels UltraWide Quad HD QLED Grey

Connect to infinite possibilities

The Curve Champion
The leader in curved monitors. Samsung has led the curved monitor market since being the first to introduce the innovative displays to the world in 2015. With industry-leading technology in a full line-up, Samsung’s curved monitors are consistently number one in market share and consumer choice.

Feel the Thunder
Transmit data at speeds of up to 49Gbps up to 8 times faster than USB 3.0 with two Thunderbolt 3 ports. DP, HDMI, and USB inputs bring varied connectivity for PCs, consoles, and external devices. The built-in 7-watt stereo speakers enhance movie-watching and gameplay.

Curved for comfort
The curved screen is engineered to follow the natural curve of your eyes for a more immersive and comfortable viewing experience. Studies by Harvard Medical School and Seoul National University Hospital found the screen reduced eyestrain in users compared to flat screens and less curved monitors.

Ultra-wide screen
The 34 ultra-wide curved display with its 21:9 aspect ratio provides all the workspace you need to multi-task efficiently and in comfort. Forget about inconvenient dual monitor set ups and experience truly seamless multitasking on a single screen.

Supporting up to 125% sRGB color space, Quantum Dot technology delivers not only more hues than conventional monitors but also colors that are brighter, crisper, and more natural especially reds and greens. And every monitor is factory calibrated to ensure the most accurate and life-like images

Picture-by-Picture (PBP) lets you display to two sources onscreen at their native resolution. And for optimal multi-tasking, with Picture-in-Picture (PIP) you can resize the second source to up to 25% of the screen and position it anywhere.

Fine control
AMD freeSync and 100hz screen refresh rate maximize productivity when working with photo and video files, ensure smoother display and playback, and provide fine cursor control for accuracy. With the CJ79, you can handle even the most demanding tasks with ease.


Display diagonal 86.4 cm (34″)
Display resolution 3440 x 1440 pixels
HD type UltraWide Quad HD
Native aspect ratio 21:9
Display technology QLED
Panel type VA
Touchscreen N
Display brightness (typical) 300 cd/m
Response time 4 ms
Screen shape Curved
Screen curvature rating 1500R
Supported graphics resolutions 3440 x 1440
Aspect ratio 21:9
Contrast ratio (typical) 3000:1
Dynamic contrast ratio marketing name Mega Contrast
Maximum refresh rate 100 Hz
Viewing angle, horizontal 178
Viewing angle, vertical 178
Display number of colours 16.7 million colours
Viewable size, horizontal 79.7 cm
Viewable size, vertical 33.4 cm
Display diagonal (metric) 86.4 cm
Colour gamut 92%
sRGB coverage (typical) 125%
NTSC coverage (typical) 88%
Adobe RGB coverage 92%
AMD FreeSync Y
AMD FreeSync type FreeSync
Flicker-free technology Y
Built-in speaker(s) Y
Market positioning Business
Product colour Grey
Country of origin Vietnam
Ports & interfaces
Built-in USB hub Y
USB hub version 2.0 / 3.2 Gen 1 (3.1 Gen 1)
HDMI ports quantity 1
HDMI version 2.0
DisplayPorts quantity 1
DisplayPort version 1.2
Thunderbolt 3 ports quantity 2
Headphone out Y
VESA mounting Y
Panel mounting interface 100 x 100 mm
Height adjustment Y
Height adjustment 10 cm
Tilt angle range -14 – 22
Picture-in-Picture Y
Tilt adjustment Y
Energy efficiency class (SDR) G
Energy consumption (SDR) per 1000 hours 39 kWh
Power consumption (typical) 39 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
Energy efficiency scale A to G
Operational conditions
Operating temperature (T-T) 10 – 40 C
Operating relative humidity (H-H) 10 – 80%
Packaging content
Stand included Y
Cables included AC, HDMI, Thunderbolt
Quick start guide Y
Weight & dimensions
Width (with stand) 808.7 mm
Depth (with stand) 309.4 mm
Height (with stand) 516 mm
Weight (with stand) 7.7 kg
Width (without stand) 80.9 cm
Depth (without stand) 16.7 cm
Height (without stand) 36.3 cm
Weight (without stand) 6.3 kg
Packaging data
Package width 589 mm
Package depth 370 mm
Package height 896 mm
Package weight 13.9 kg
Package type Box
Logistics data
Commodity Classification Automated Tracking System (CCATS) 8528521000




Screen Size


Display Resolution

3440 x 1440

Display Technology


HD Type

UltraWide Quad


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