Samsung - LC34J791WTEXXY - 34" QLED Curved Monitor

  • Monitor Screen Size: 34"
  • Panel Type: VA
  • Aspect Ratio: 21:9
  • Display Resolution: 3440x1440
  • Screen Curvature: 1500R
  • Response Time: 4
  • Contrast Ratio: 3000:1


34" Thunderbolt™ 3 Curved Monitor with 21:9 Wide Screen

Thunderbolt™ 3

Thunderbolt™ 3

The CJ79 features two Thunderbolt™ 3 ports to connect compatible Macs and PCs. Thunderbolt™ 3 transmits video and data at speeds of up to 40Gbps — 8 times faster than USB 3.0 — and simultaneously charges devices (up to 85W), all over a single cable.1

Curved for Comfort

Curved for Comfort

The curved screen is engineered for an immersive and comfortable viewing experience. Studies by Harvard Medical School and Seoul National University Hospital that were sponsored by Samsung found that fewer subjects reported eye-strain, difficulty focusing and blurred vision symptoms when viewing a curved monitor than when viewing a flat monitor.2

34” Ultra-Wide Screen

34” Ultra-Wide Screen

The 34’’ ultra-wide curved display with its 21:9 aspect ratio provides all the workspace you need to multi-task in comfort. Forget about inconvenient dual monitor set ups and experience multitasking on a single screen.3

3000:1 Contrast Ratio

3000:1 Contrast Ratio

Samsung’s VA panel technology provides a 3000:1 contrast ratio that delivers deep blacks, brilliant whites, and rich colours for clear, vibrant images.3

AMD FreeSync

AMD FreeSync

AMD FreeSync synchronizes the refresh rates of your graphics card and the CJ79, designed to minimize image tearing and stutter. The smooth transition between image frames provides superb gameplay and video playback for uninterrupted viewing.

Fast 100 Hz Refresh Rate

Fast 100 Hz Refresh Rate

The fast 100 Hz screen refresh rate provides smoother, silkier mouse sensitivity for enhanced productivity in any application. It also reduces screen stutter in fast-moving action scenes for a flawless gaming experience.

Stylish Design

Stylish Design

With its curved screen almost bezeless on three sides for superb viewing and its rear panel — finished in glossy white and curving horizontally and vertically — neatly concealing cables, the CJ79’s slim and striking profile is a great complement to any Thunderbolt 3 Mac or PC.4

Multiple Inputs

Multiple Inputs

Two Thunderbolt 3 ports as well as, DP, HDMI and USB inputs, the CJ79 provide multiple connection options for PCs, consoles, and external devices. And the built-in 7-watt stereo speakers offer an enhanced entertainment experiences when viewing videos and playing games.

Images are representative only.

1 Thunderbolt cable sold separately.

2 Assuming 1m viewing distance. "Comparison of flat and curved monitors: Eyestrain caused by intensive visual search task", 2016. Based on eye-strain questionnaire involving the use of a 34” curved Samsung monitor and equivalent 34” Samsung flat monitor. Study sponsored by Samsung.

3 Screen images simulated for illustrative purposes.

4 Screen image simulated. Thunderbolt 3 Mac or PC and other accessories sold separately.


Additional Information

Monitor Screen Size 34"
Panel Type VA
Aspect Ratio 21:9
Display Resolution 3440x1440
Curved Design Yes
Screen Curvature 1500R
Response Time 4
Contrast Ratio 3000:1
Wall Mountable Yes 100 x 100
Tilt (°) HAS TOP : -14˚(±4˚) ~ 22˚(±4˚), HAS DOWN : -2˚(±4˚) ~ 34˚(±4˚)
USB Ports 2
HDMI Input 1
Display Port 1
Earphone Jack 1
Speaker Yes
Width (mm) 808.7
Height (mm) 516
Depth (mm) 309.4
Weight 7.7 kg (incl. stand)
Manufacturer Warranty (Years) 2

Manufacturer Specs

3,440 x 1,440 resolution
Two Thunderbolt™ 3 ports
Up to 40Gbps data transfer speed
Simultaneously charges devices (up to 85W)
300cd/m2 brightness
Mega contrast ratio

Screen Size (Inch): 34.0
Screen Size (cm): 86.4
Screen Size (Class): 34
Flat / Curved: Curved
Active Display Size (HxV) (mm): 797.22mm x 333.72mm
Screen Curvature: 1500R
Aspect Ratio: 21:9
Panel Type: VA
Brightness (Typical): 300cd/m2
Peak Brightness (Typical): N/A
Brightness (Min): 250cd/m2
Contrast Ratio Static: 3000:1(Typ), 2400:1(Min)
Dynamic Contrast Ratio: Mega
HDR(High Dynamic Range): N/A
Resolution: 3,440 x 1,440
Response Time: 4(GTG)
Viewing Angle (H/V): 178/178
Color Support: 16.7M
Color Gamut (NTSC 1976): 88%
Color Gamut (DCI Coverage): 92%
sRGB Coverage: 125%(Typ.), 120%(Min)
Adobe RGB Coverage: 92%
Refresh Rate: 100Hz

Samsung MagicAngle: N/A
Samsung MagicBright: Yes
Samsung MagicUpscale: Yes
Samsung MagicRotation Auto: N/A
Eco Saving Plus: Yes
Eco Motion Sensor: N/A
Eco Light Sensor: N/A
0.00 W Off mode: N/A
Eye Saver Mode: Yes
Flicker Free: Yes
Picture-In-Picture: Yes
Picture-By-Picture: Yes
Active Crystal Color: N/A
Quantum Dot Color: Yes
Game Mode: Yes
Image Size: Yes
USB Super Charging: N/A
Daisy Chain: Yes (Thunderbolt)
Easy Setting Box: Yes
Windows Certification: Windows10.0
FreeSync: Yes
FreeSync 2: N/A
Smart Eco Saving: N/A
Off Timer Plus: N/A
Smartphone Wireless Charging: N/A
Game Color Mode: N/A
Screen Size Optimizer: N/A
Black Equalizer: N/A
Low Input Lag Mode: N/A
Refresh Rate Optimizor: N/A
Custom Key: N/A
Super Arena Gaming UX: N/A
Sound Interactive LED Lighting: N/A

Wireless Display: No
D-Sub: No
Dual Link DVI: No
Display Port: 1 EA
Display Port Version: 1.2
Display Port Out: No
Display Port Out Version: N/A
Mini-Display Port: No
HDMI Version: 2.0
Audio In: No
Headphone: Yes
USB Ports: 2
USB Hub Version: 3
USB-C Charging Power: N/A
Thunderbolt 3: 2 EA
Thunderbolt 3 Charging Power (Port 1): 85W
Thunderbolt 3 Charging Power (Port 2): 15W
Ethernet (LAN): N/A

Speaker: Stereo
USB Sound Bar (Ready): No

Temperature: 10~40°C
Humidity: 10~80, non-condensing

Factory Tunning: Yes
Built in Calibration Engine: N/A
LUT(Look-up Table) Bit Depth: N/A
Gray Balance: N/A
Uniformity Correction: N/A
Color Mode: N/A
CMS(Color Management Software): N/A
Factory Calibration Report: N/A

Color: Gray
Stand Type: HAS
HAS(Height Adjustable Stand): 100.0 ± 5.0 mm
Tilt: HAS TOP: -14°(±4°) ~ 22°(±4°), HAS DOWN: -2°(±4°) ~ 34°(±4°)
Swivel: N/A
Pivot: N/A
Wall Mount: 100 x 100

Energy Efficiency Class: 2
Recycled Plastic: N/A

Power Supply: AC 100~240V
Power Consumption (Max): 180 W
Power Consumption (Typ): 64.46 W
Power Consumption (DPMS): Less than 0.5(HDMI/DP Input Condition)
Power Consumption (Off Mode): Less than 0.3 W
Power Consumption (Yearly): N/A
Type: External Adaptor

Power Cable Length: 1.5 m
D-Sub Cable: N/A
DVI Cable: N/A
HDMI Cable: Yes
HDMI to DVI Cable: N/A
DP Cable: N/A
USB Type-C Cable: N/A
Thunderbolt 3 Cable: Yes
Mini-Display Gender: N/A
Install CD: N/A
Quick Setup Guide: Yes
Clean Cloth: N/A

Disclaimer: N/A

Warranty Details

Buy with confidence at Bing Lee, knowing that all our products are sourced from Australian suppliers, are brand new, and come with full manufacturer’s warranty.

What's in the Box?

Details coming soon, or call one of our friendly customer service team.


Hate it

Don't like it


Like it

Love it

Related Products