Samsung 34″ CJ791 Thunderboltᵀᴹ 3 Ultra Wide Screen Curved Monitor (3440×1440)


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About this product
SKU# LC34J791WTNXZA | Item# 344617
Warranty: 1 Year Manufacturer Warranty
Condition: New Factory Sealed
Packaging: Retail Box
Minimum order quantity (MOQ): 1
Images and specifications are for reference only
Usually ships within 7-10 business days
Special order item, not eligible for return/cancellation execpt for More info
SKU: LC34J791WTNXZA Category:

Additional information

A gracefully curved, virtually bezel-less ultra-wide monitor featuring Quantum Dot technology for an exceptional picture and Thunderbolt 3 connectivity for multi-purpose connectivity.

At a Glance
Samsung’s CJ791 Series ultra-wide curved monitor delivers an exceptional picture in a sophisticated design. Cutting-edge Quantum Dot (QLED) combined with WQHD resolution deliver vibrant color and fine detail, while the virtually bezel-less frame offers a clean look. And Thunderbolt 3 connectivity adds to that by enabling the transmission of digital display, data (USB) and power through a single cable connection for a clutter-free workspace.

Thunderbolt 3 and DaisyChain Connectivity
This business monitor is equipped with two Thunderbolt 3 (TBT3) ports, providing a single cable connection for transmitting digital display, data (USB) and power. Connect your PC or mobile device with the USB-C port for an instant workstation. Plug peripherals in the monitor and work while charging your mobile device at up to 100W. Transfer data at up to 40Gbps and connect up to two monitors or six total devices, daisy chained, through a single compact port.¹
curved monitor

Ultra-Curved Screen and Seamless Design
Samsung’s super curved VA panel is designed for comfort, productivity and style. With a 1500mm radius, the distance from screen to eye is a more uniform distance, resulting in less eye fatigue when working long hours. Wide viewing angles help to ensure the picture is not degraded from off angles. Plus, it sits in a sleek and seamless 3-sided virtually bezel-less frame, so you see more picture and less plastic.

Ultra-Wide 21:9 Aspect Ratio and WQHD Resolution
An ultra-wide 21:9 aspect ratio provides more room to work for enhanced productivity. WQHD resolution delivers twice the pixels and detail of Full HD resolution. Combined with a 3:000:1 contrast ratio, you get a vibrant, sharp picture so you never miss a detail.

Display diagonal34"
Display resolution3440 x 1440 pixels
Native aspect ratio21:9
Display technologyQLED
HD typeUltraWide Quad HD
Panel typeVA
Screen shapeCurved
Contrast ratio (typical)3000:1
Maximum refresh rate100 Hz
Display number of colors1.073 billion colors
Display brightness (typical)300 cd/m²
Response time4 ms
Supported graphics resolutions3440 x 1440
Aspect ratio21:9
Dynamic contrast ratio marketing nameMega Contrast
Viewing angle, horizontal178°
Viewing angle, vertical178°
Viewable size, horizontal31.4" (79.7 cm)
Viewable size, vertical13.1" (33.4 cm)
RGB color spacesRGB
Color gamut88%
sRGB coverage (typical)125%
Adobe RGB coverage92%
Quantum dot color technologyY
Product typePC monitor
AMD FreeSyncY
VESA Adaptive Sync supportY
Built-in speaker(s)Y
Number of speakers2
Market positioningBusiness
Product colorSilver
Built-in USB hubY
Headphone outY
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB Type-A downstream ports quantity3
DVI portN
HDMI ports quantity1
HDMI version2.0
DisplayPorts quantity1
DisplayPort version1.2a
Thunderbolt 3 ports quantity2
Audio inputN
Headphone connectivity3.5 mm
DC-in jackY
VESA mountingY
Height adjustmentY
Panel mounting interface100 x 100 mm
Height adjustment3.94" (10 cm)
Tilt angle range-14 - 34°
On Screen Display (OSD)Y
Plug and PlayY
Tilt adjustmentY
Power consumption (typical)65 W
Power consumption (standby)0.5 W
Power consumption (max)180 W
Power consumption (off)0.3 W
AC input voltage100 - 240 V
Annual energy consumption95 kWh
Operating temperature (T-T)10 - 40 °C
Operating relative humidity (H-H)10 - 80%
Stand includedY
Cables includedDisplayPort, HDMI, USB Type-C to USB Type-C
DisplayPort cable length59.1" (1.5 m)
HDMI cable length59.1" (1.5 m)
Width (with stand)31.8" (807.7 mm)
Depth (with stand)12.2" (309.9 mm)
Height (with stand)20.3" (515.6 mm)
Weight (with stand)16.8 lbs (7.62 kg)
Width (without stand)31.8" (80.8 cm)
Depth (without stand)6.61" (16.8 cm)
Height (without stand)14.3" (36.3 cm)
Weight (without stand)13.4 lbs (6.08 kg)
Stand typeHAS stand
Package width35.3" (896.6 mm)
Package depth14.6" (370.8 mm)
Package height23.2" (589.3 mm)
Package weight30 lbs (13.6 kg)
Package typeBox
Quantity per pack1 pc(s)
AC adapter includedY
sRGB coverage (min)120%