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Questions & Answers

Shopper : Why Did You Choose This?patricia k : son wanted this oneIT D : My company uses these Monitors specificallyJD H : eyes and sizeDOMINIQUE G : I use a macbook pro and this one was the best on the market that fir my needs and limitations. Cable consumption has been killing my desk and this monitor gets rid of 30% of my cable issues.

Reviews about this item

Review Summary

2021-05-02T20:00:00

Rated 1 out of 5

Love the monitor but the screen flickers

Hi -- I bought this monitor because I love big screens but the connection with my MAC doesn't work properly. It constantly flickers and I have to take out the back panel to wedge it in the port . It still doesn't work. And the back panel is very difficult to put back on . So I wouldn't recommend this product . I don't know what to do to fix this anymore?

mbox1

2021-02-26T19:00:00

Rated 3 out of 5

Decent quality monitor, with flaws

there are a few annoying things, the monitor wobbles with slight touch, the control button is on the back and far right side, the menus are annoying to navigate to get to simple features. the monitor is unusable for about 10-12 seconds after waking due to time to stablize and stop flashing. wanted to fix some of the fw issues, and update the monitor. i saw that 1007 was available, & followed the samsung instructions. i did them 40+ times with multiple usb flash drives, a hd, multiple fat32 formats, etc., nothing worked. i called support 5 times, & read online reviews. support said they have a ticket for this, & i should talk to the vendor i purchased it from, or ship it back to samsung for 3 weeks, on their bill. would have written more about the pros, but have only 800 chars max.

chazh

2021-02-25T19:00:00

Rated 5 out of 5

Great Monitor

from a gaming standpoint, this monitor has lived up to its name thunderbolt. the refresh rate and clarity software make it a truly awesome vision when paired with my nvidia graphics card.

Michael

2021-02-16T19:00:00

Rated 1 out of 5

Dead Pixel Issues

within 3 months of purchasing this monitor, a cluster of dead pixels appeared on the screen (shown in the accompanying images with pink background). it was sent in for warranty, and the panel was changed, but upon receiving it back, the “fixed” monitor had even more dead pixels, albeit they were more dispersed (shown in images with white background). there are some serious quality issues here, and i hope that samsung fixes my product this time around. buyers beware.

Concerned B.

2021-02-14T19:00:00

Rated 1 out of 5

usb-ports stopped working on two monitors

usb-a ports stopped working after 3 weeks on the first monitor. received an exchange and day 1 the usb-a ports weren't working.

tron

2021-02-01T19:00:00

Rated 2 out of 5

Doesn't work with Dex

i bought this monitor because it included the usb-c port so that i could use it with my note 10+. i was sad to find out that for some reason the usb-c port doesn't work with the note 10+. my $1100 dollar phone and my $700 dollar monitor (both samsung) don't function together. dex works just fine on any other brand of monitor and non samsung devices work with the cj791 monitor. the monitor looks really nice, it works well with a computer, but i would not recommend it to anyone who is planning to use samsung dex.

SamsungUser

2021-01-30T19:00:00

Rated 3 out of 5

34" CJ791 Thunderbolt Monitor

the sharpness is not as good as other monitors available less than samsung price rang.

Haq51

2021-01-11T19:00:00

Rated 3 out of 5

Great monitor but big disappointment

it was great, love the style, sound, picture, and features. but then all of a sudden during a conference call the screen went black with a loud pop noise. i am returning it and getting the same one with a price match as i should get.

Chloe c.

2021-01-11T19:00:00

Rated 4 out of 5

Gorgeous colors, Thunderbolt 3/USB-C connectivity

disclaimer: i acquired two of these monitors with an employee discount; nevertheless, the review is objective and centered on my personal experience. pluses: * great connectivity options (2 t3/usb-c ports, hdmi, dpi) * can charge laptop with up to 85w, another device up to 15w * thunderbolt 3/usb-c port can double as a hub * great color, amd freesync * decent speakers * thunderbolt 3 cable and high-speed hdmi included * vesa metal plate included minuses: * iit tilts. 5 degrees or more, translates to about 1/2 inch; have tried a clip on the back to no avail. * sound cannot be controlled with a mac (apparently cec support on the mac)

Javier

2020-12-07T19:00:00

Rated 5 out of 5

A Perfect Mac Mini Display

i've had no issues, excellent display, perfect for my mac mini, utilizing thunderbolt and which needs a better audio source. only minor downside is the volume control, which is not controllable via the os, but the picture, responsiveness, and perfect size/curvature make this worth the price. i wanna see a newer thunderbolt model to go with the new m1 mac minis.

velocitys3

2020-09-19T20:00:00

Rated 4 out of 5

great monitor

i replaced 2 27-inch monitors with this one and am very glad that i did. it helped to declutter my smallish desk and still enables me to have multiple windows open at once, everything from photoshop to excel. i use this monitor to work from home right now during the pandemic and to post-process photos in lightroom on weekends. the monitor is very sharp, text is clear and images are rendered beautifully. i recommend this monitor to anyone needing a large but compact screen. the monitor is also very attractive; sleek and curved without a lot of messy cords.

BluAgave

2020-08-13T20:00:00

Rated 5 out of 5

AWESOME VIRTUAL SETUP

perfect monitor, relatively small footprint. features hdmi, displayport, usbs, usb-c so you can run just about any new system currently available. energy saving features and the picture-n-picture and picture-by-picture are phenomal. charges my mac and beats headphones, the extra ports making adding peripherals a breeze. looking to get one more since its vesa compatible and add it to a two monitor mount.

MADD1

2020-07-29T20:00:00

Rated 2 out of 5

Thunderbolt port stopped working after 2 weeks

great monitor (size, look, etc.), but for this price it should be 100% reliable... and it was not. after two weeks of use the thunderbolt port failed to display picture and audio. now i have to deal with a repair process that is not user friendly.

JUSTIN M.

2020-07-02T20:00:00

Rated 5 out of 5

Amazing monitor

i love it. i have 2 4k dells at work, and this one i'm using at home. games/work. wide angle view - like in the cinemas. and for work, this setup is working better than just 2 monitors.

VLADISLAV K.

2020-06-28T20:00:00

Rated 3 out of 5

Broken bezel, lacking support

this is my third time to try to submit a review. for whatever reason, samsung won't post my review. i purchased directly from samsung. after a few months, a quarter inch piece of plastic broke off the front of the bezel on the lower right corner. samsung says they don't cover cosmetic issues which is disappointing as it would be a cheap fix and the monitor was so expensive. the monitor seems to work fine otherwise.

Stephen

2020-06-25T20:00:00

Rated 5 out of 5

A great monitor

there is so much i enjoy about this monitor. the only downfall is the lack of programs that use it's resolution to the fullest extent. the crisp, clean lines and incredible refresh speed make up for the other thing. a must-have with any computer!

Michael

2020-06-14T20:00:00

Rated 1 out of 5

USB-C Hub is fried

my mac can not maintain a connection to the display. so i'll be working on something and in the middle of s sentence the screen goes black.... and then it back... and then it's gone. all. day. long. terrible customer support and the item is so big that i think i've officially wasted $700.

Munder

2020-04-20T20:00:00

Rated 5 out of 5

So much better than dual Monitors

After using dual monitors for the past 10+ years I made the change to the CJ791...absolutely no regrets. Running a MacBook Pro and connected via thunderbolt. Awesome resolution, definitely increases productivity, more screen space and no bezel in the middle.

SkiBum

2020-04-06T20:00:00

Rated 3 out of 5

Excellent Quality. Docking station not working.

The screen has excellent quality, you wont be disappointed. However i'm having issues with the docking station. With works with my Dell G5, after installing all drivers. Still not working with my HP X360.

Paulo

2020-02-15T19:00:00

Rated 3 out of 5

Monitor tilts due to slack in joint with arm

First, I really enjoy this monitor. I can't see myself ever going back to a non-curved monitor. That said, my problem is that the monitor tilts to the right by 1/2" to 3/4". I placed a paperclip in the joint where the arm attaches to the back. It's now level. [I had returned one other with the same issue, so the issue must not be a one off. Btw, my desktop is level, I checked].

Owner m.

2020-01-02T19:00:00

Rated 1 out of 5

Unbelievable.

Made my decision almost entirely based on the brand loyalty. Bought this CJ791 from nationwide retailer. It came in the CJ791 box. Manufacturer's label reads CJ791. Except it is CF791, based on both ports and what says inside the "menu=>information". Manufacturer's label shows no signs of manipulation. Had a great time returning it in. And you complain about a dead pixel. Quality, huh?

Nick F.

2019-12-03T19:00:00

Rated 2 out of 5

Not for Mac users

This is what I consider the "middle ground" for those wanting a sub-4K resolution but decent refresh and response rate for gaming. Unfortunately, the resolution just doesn't quite meet my expectations and this becomes immediately apparent when dragging content from the retina (MacBook Pro) display over to the CJ791; the text is pixilated. My experience with the monitor ended up straining my eyes.

JT2019

2019-12-02T19:00:00

Rated 1 out of 5

Very bad quality control

Just as many other reviewed. This monitor has very poor workmanship. The monitor came with panel detached from the bezel on the top. The LED light shines through the gap directly. There are also a few dead pixels here and there. I like the features it provides, especially the thunderbolt 3 interface. However, it failed in a very important aspect, the quality. Will have to return it. Buyer beware!

James

2019-10-12T20:00:00

Rated 2 out of 5

Audio not working

Monitor is has been good for just a couple of months. Now the audio is gone. No sound at all. The monitor is not even 6 months old. Very sad that a product that costs this much money cannot last 6 months.

Claudius

2019-08-11T20:00:00

Rated 1 out of 5

Good Monitor but Not a great for Mac users

I was looking for a less costly version to the goto Apple compatible displays and don't really need 5K, so thought I would give this monitor a try. I am pleased with the picture quality & picture performance, but unfortunately that is where it ends. The good: Picture Quality for a non-5K display is good Curved screen is much better than I had anticipated The USB hub built into the display gives me options to plug in my other Apple Devices The not so good: No Volume Control from MacOS using Thunderbolt (just crazy) Doesn't provide ability to control any display settings from MacOS like the other manufacturer (such as brightness and volume) Joystick control is not in a very convenient to reach place and you have to use it to do anything with this monitor (another dig on the fact you can't adjust anything via MacOS) After using this monitor for a few weeks, I have ordered the 5K display from Apple as I just really miss: Volume Control Brightness Control Automatic Dimming Built-In Camera If you use your own speakers, don't need a camera, really don't want to spend the money on a 5K display & don't think you will need to adjust brightness or have MacOS automatically dim, then this could be a good monitor for you.

Brian1G

2019-08-09T20:00:00

Rated 3 out of 5

Display is great, USB ports not working on Win 7

I did buy this monitor mainly because of it's thunderbolt support and ability to connect pheripherals. When it comes to the display itself, it is awesome, it is a huge productivity boost. I am using Dell Precision 7520 workstation, having all drivers up to date, but windows cannot find the drivers for the usb controller.However, everything works with Macbook Pro computer, so the problem is not in the hardware. I managed to have chat over an hour online with Samsung support. It was surely very polite discussion but useless, since i got the same questions over and over again, like which cable am I using. I requested to have a contact with technical support which was simply ignored. Now I tried to send an email from the website and it is impossible! After filling the form the response is "no session". Let's see if the review goes through. If I'm not getting the solution to the problem, I'll return the product.

wips

2019-06-14T20:00:00

Rated 3 out of 5

Audio stopped working after 60 days

I would have loved everything about this monitor, had it worked like it was supposed to. After just a month and a half or so, the audio port doesn't work anymore. I called Samsung support and my only option was to send it in for a repair, which could take weeks. I wouldn't even know how to safely ship this thing, it's huge! Also, I can't afford multiple weeks of down time, as I use this as my main workstation monitor.

Zacharaia

2019-05-31T20:00:00

Rated 1 out of 5

Beautiful but Flawed

The colors are vibrants and the design is gorgeous, it's not just marketing hype the curve is truly immersive. Unfortunately, my monitor developed a stuck pixel after less than a week of use. I disconnected the monitor for 12 hours and used software to attempt a fix; nothing worked. The stand was also tilted just slightly enough that the monitor never lined up straight. For $900 you're allowed to be extremely critical of the product. It is going to be returned and replaced with a different product until I conduct further research.

Java C.

2019-04-05T20:00:00

Rated 1 out of 5

Cant change sources between TB3 Ports

I have had this monitor for nearly two weeks. Overall I love it! The picture is good, nice contrast and great response even for gaming. The size, resolution and aspect ratio combine wonderfully allowing your productivity to increase over similar 16:9 screens. There are two major negatives that I can't get over and a couple of other small glitches as well. 1.) You switch sources between the TB3 inputs on the monitor. This is my biggest annoyance. I have a macbook pro with tb3 and a razer laptop with tb3 and there is no easy way of switching between the input sources. I have to power cycle the monitor and turn off the device that I don't want to use. You also cannot do PIP between the two TB3 ports which well...thats annoying. 2.) Samsung made the poor decision to not have a dedicated power button. It takes 3 button presses to turn off the screen. Can't understand the thought process here it's really frustrating especially when I have to constantly power cycle the monitor due to the first problem I have with this monitor. One minor issue - depending on the frequency you do it - it takes a good 15-20 seconds to switch inputs Lastly the built in USB hub sometimes doesn't power on the devices plugged in (i only have a keyboard/mouse attached). When this happens you may have to unplug and plug back in your peripherals or turn off the monitor, unplug everything, turn the monitor back on and then plug everything back in. All of these problems were identical across two different monitors, my first was exchanged due to a faulty OSD joystick controller.

JelloKing

2019-01-19T19:00:00

Rated 3 out of 5

Good But No Auto Brightness for Mac

Maybe I'm too spoiled as a Mac user. There's no built-in camera, okay no problem. But no auto brightness either. Not even keyboard brightness control. This means having to reach back to the tiny joystick and navigating several menus every day. And I'm running two of these side-by-side with a 2018 Mac mini, so that's double the physical fiddling every morning and night, once on the left, then again on the right. As for performance, so far so good, but there's a lag when booting up, even when using Apple's expensive 0.8M active Thunderbolt 3 cable. No built-in microphone, either. Otherwise it's pretty good as an adapted PC display.

very k.

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Samsung CJ791 Specifications

Display

Display

Jump to...
  • Screen Size

    34"

  • Display Type

    VA LCD

  • Flat/Curved

    Curved

  • Curvature

    1500R

  • Resolution

    3440 x 1440

  • Aspect Ratio

    21:9

  • Brightness

    Typ: 300cd/m2
    Min: 250cd/m2

  • Static Contrast Ratio

    3000:1 (Typ), 2400:1 (Min)

  • Dynamic Contrast Ratio

    Mega

  • Viewing Angle

    178 deg. /178 deg.

  • Response Time

    4ms

  • Active Display Size (HxV)

    797.22 x 333.72mm

  • Color Support

    1.07B

  • Speaker

    Stereo

  • Power Type

    External Adaptor

  • Power Supply Type

    AC 100-240VAC (+/-10%)

  • Power Consumption (Max)

    180 W

  • Power Consumption (Stand-by)

    Less than 0.3 W

  • Max Stand By Power (DPMS)

    Less than 0.5 W (HDMI/DP Input Condition)

Functions

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  • Integrated Speakers

    Yes

  • Windows Compatible

    Windows 10

  • Samsung MagicBright

    Yes

  • Samsung MagicUpscale

    Yes

  • Eco Saving Plus

    Yes

  • Eye Saver Mode

    Yes

  • FreeSync

    Yes

  • Flicker Free

    Yes

  • Game Mode

    Yes

  • Image Size

    Yes

  • Easy Setting Box

    Yes

  • Picture in Picture (PIP)

    Yes

  • Picture by Picture (PBP)

    Yes

  • HDMI

    1EA (v2.0)

  • USB-C

    2 (Thunderbolt 3)

  • Display Port

    1 EA (v1.2)

  • Headphones

    Yes

  • USB Hub

    1Up 3Dn (v2.0)

  • Tilt

    Max : -14 deg. (+/-4 deg. ) - 22 deg. (+/-4 deg. ), MIN : -2 deg. (+/-4 deg. ) - 34 deg. (+/-4 deg. )

  • Stand Type

    Height Adjustable Stand, Height: 100.0 +/- 5.0 mm

Operation Conditions

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  • Temperature

    0 to 40 deg. C (32 to 104 deg. F)

  • Humility

    Non-condensing 10-80 %

General

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  • Dimensions (WxHxD)

    With Stand: 31.8 x 20.3 x 12.2" (80.77 x 51.56 x 30.99cm)
    Without Stand: 31.8 x 14.3 x 6.6" (80.77 x 36.32 x 16.76cm)

  • Weight

    With Stand: 16.8 lbs (7.62kg)
    Without Stand: 13.4 lbs (6.08kg)

About Samsung CJ791

FEATURED REVIEWS

AWESOME VIRTUAL SETUP

By MADD1

perfect monitor, relatively small footprint. features hdmi, displayport, usbs, usb-c so you can run just about any new system currently available. energy saving features and the picture-n-picture and picture-by-picture are phenomal. charges my mac and beats headphones, the extra ports making adding peripherals a breeze. looking to get one more since its vesa compatible and add it to a two monitor mount.

Productivity king!

By indira88

As soon as I removed the monitor from the box and placed it on my desk I was in awe. The space you get with this screen is overwhelming and the design is simply marvelous. One of my favorite things of the design is being able to hide the cables through the stand on the back. The curved screen design looks amazing and the whole monitor is surprisingly light in weight. Now to the real deal.. turning it on! This monitor packs an amazing quality in a huge curved ultra-wide screen. The curve is i...

View full Review

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. 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 connectivity for transmitting digital display, data (USB) and power through a single cable connection
• High picture quality with Samsung's ultra-curved 1500R VA panel with a 3,000:1 contrast ratio
• QLED technology and support for up to 125% of the sRGB color space, 95% DCI and 1.07 billion colors, plus factory calibration for out-of-the-box color accuracy
• Ergonomic with a fully adjustable stand and VESA compatibility

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.½

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
An ultra-wide 21:9 aspect ratio provides more room to work for enhanced productivity. Combined with a 3000:1 contrast ratio, you get a vibrant, sharp picture so you never miss a detail.

Brilliant Color with QLED
This monitor supports up to 125% of the sRGB color space, 95% DCI and 1.07 billion colors thanks to Quantum Dot (QLED) technology. So you get exceptionally bright, crisp and natural reds and greens, plus smooth and seamless color transitions. Plus, every monitor is factory calibrated for color consistency.

Split-Screen (PBP) and Picture-in-Picture (PIP)
Connect up to two separate sources to the display and view them simultaneously with split-screen (PBP) and picture-in-picture (PIP) technology. Perform work, like coding, in one window and see the results in a separate window. With the included Samsung software, you can make window management easy and maximize your efficiency.

Fully Adjustable Stand and VESA Compatibility
The monitor swivels, tilts and is height-adjustable, to deliver comfort and ergonomics at work. And with VESA mount compatibility, installation on a wall or separate mounting arm is easy.

Easy on the Eyes
Eye Saver Mode and Flicker Free technology help to reduce eye strain for a more comfortable work experience, even during long work hours. When Eye Saver Mode is active, blue light levels are lowered. And flicker-free technology eliminates flickering at all levels of brightness.

What's in the box:

  • Samsung CJ791 34 " Ultra Wide Screen Curved LCD Monitor
  • Quick Setup Guide
  • Install CD
  • Power Cable
  • HDMI Cable
  • Thunderbolt 3 Cable
  • Samsung 1 Year Limited Warranty