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LG 27UL850-W 27" Ultra HD 3840 x 2160 4K 5ms (GTG) 2xHDMI DisplayPort USB Type-C Built-in Speakers AMD Radeon FreeSync Flicker Safe HDR 400 Borderless Anti-Glare Backlit LED IPS Monitor

Ships from Canada.

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  • 3840 x 2160 Ultra HD 4K Resolution @ 60Hz
  • 5ms Response Time
  • 2 x HDMI, DisplayPort, USB Type-C Video Inputs
  • 2 x USB 3.0 Type-A Ports
  • Built-in 5 Watt Speakers
  • DisplayHDR 400
  • AMD Radeon FreeSync Technology
  • Flicker Safe Technology
  • Pivot, Tilt, Height Adjustable
  • VESA Mount Compatible

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews
a monitor with a reef scenery image as screen
27'' Class 4K UHD IPS LED Monitor with VESA DisplayHDR 400 (27'' Diagonal)
  • 27" UHD (3840 x 2160) IPS Display
  • VESA DisplayHDR 400
  • USB-C Type-C with 60W Power Delivery
  • sRGB 99% Color Gamut
  • 3-Side Virtually Borderless Display
  • Height/Pivot/Tilt Adjustable Stand
a monitor with a football match as screen, splited into two, showing different effect between HDR and SDR

To more fully realize content creators' vision, this monitor is compatible with VESA DisplayHDR 400 high dynamic range, supporting specific levels of color and brightness that exceed the capabilities of ordinary monitors.

VESA DisplayHDR™ 400

Discover a more lifelike picture with high dynamic range, which provides bolder contrast between the brightest and darkest areas of the screen. This VESA DisplayHDR 400 monitor has been rated to deliver impressive peak luminance of 400 nits for undeniably spectacular highlights.

a city view showing the effect of DisplayHDR 400
a monitor with a colorful image as screen showing the effect of sRGB 99%
IPS with sRGB 99% (Typ.)

This monitor, with 99% coverage of the sRGB spectrum, is a great solution for photographers, graphic designers or anyone looking for highly accurate color.

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HDCP 2.2 Compatible

Connect with confidence: This LG 4K monitor is compatible with the latest HDCP 2.2 copy protection, so it will display video from 4K streaming services, game consoles and Ultra HD Blu-ray disc players.

Virtually Borderless Design

The ultra-thin bezel on three sides of this streamlined display offers a virtually borderless visual experience, without distraction from the precise, gorgeous image. A sleek addition to any desktop.

two motorcycle riders are racing as screen of the monitor
USB Type-C™

Offering a new generation of convenience, USB Type-C™ ports allow 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable. Reduce cord clutter and increase efficiency with USB Type-C™.

a set of computer on a desk, enlarge of the ports to show detail

Radeon FreeSync™

Radeon FreeSync™* reduces the tearing and stuttering that occur between a graphic card's frame rate and a monitor's refresh rate enabling smoother motion and less stuttering in demanding games.

a fighting game as screen of the monitor ,two images showing different effect between Radeon FreeSync off and on

Dynamic Action Sync

Gamers can experience optimized, fast-pace gaming with Dynamic Action Sync®. Dynamic Action Sync® is a feature that minimizes input lag so the game play in RTS games is more responsive.

a fighting game as screen of the monitor , two images showing different effect between DAS and conventional

Black Stabilizer
Enemies Have Nowhere to Hide

Black Stabilizer gives you virtually full visual clarity, even in games where you spend a lot of time in the dark. It synchronizes and brightens the darkest areas, so that you can find enemies hiding in the shadows and shoot first.

a fighting game as screen of the monitor , two images showing different effect between Black Stabilizer off and on

Game Mode

Customize your gaming conditions. There are game modes for FPS games and a RTS pre-set mode so you can choose the best settings for the game you're playing.

a monitor with a car racing image as screen
a monitor with a sooting game image as screen
a monitor with a fighter game image as screen
one image is showing screen split and monitor setting
OnScreen Control
Easier User Interface

OnScreen Control is simple and intuitive. You can customize your display options, even pivot control, with a few simple clicks.
* Software download required to enable OnScreen Control. For download details, visit
* LG reserves the rights to modify or update OnScreen Control Software without prior notification.

a monitor with a man as screen and showing the different height effect of the monitor
Ergonomic Stand
Optimal Immersion and Performance

The pivoting monitor is useful for any programs that can display vertically-oriented information or for photographic editing. The height adjustment feature also adds ergonomic convenience.

Learn more about the LG Electronics 27UL850-W

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great display 9/18/2020 1:22:10 PM

Pros: I love the sharpness and brightness of the display. Adjustable height is also a great plus. Having the usb-c port that at the same time connects and charge my macbook is great, freeing a port on the computer. Plus the display has two extra usb-b ports.

Cons: Was a little lost at first with the settings. Found my way around though.

Overall Review: Greatly recommended.
Edit: I even bought a second one for my daughter who is starting a degree in design.

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
4/ 5
Absolutely love it 9/9/2020 6:24:22 PM

Pros: I have used it for 2 weeks every day working out of my home office. The flicker free feature has been easy on my eyes, and the texts are easier to read than before on MS Office apps. I also like using the thinner USB-C monitor cable to connect to my Mac Mini, it helps lessen the clutter.

Cons: The screen cannot swivel left & right. No built-in webcam.

Overall Review: I would recommend this monitor to all my friends.
Wish it has a built-in webcam for Facetime.

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
4/ 5
Good monitor, controls are a little hard to use 7/9/2020 7:56:41 AM

Pros: I love the resolution, brightness, and standard color reproduction of this monitor.

Cons: The monitor uses a single tiny joystick/button combo control that is hidden from normal view, and there is no dedicated power button or volume controls for the built-in speakers. The only documentation is a half sheet quick-start guide and a CD-ROM (!) that apparently contains the full manual, and it took me a while to figure out there was a joystick to control the monitor and no power button as the quick start guide doesn't really cover that...

Overall Review: This is a good 4k monitor whose speakers are adequate for normal desktop use. The HDR rendering looks a little over-saturated on my Mac mini, but I might be missing some setting on the monitor's built-in controls. I've only tested the HDMI inputs so far but plan on also using the USB-C support as well.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Perfect setup for Macbook Pro via USB-C 6/13/2020 6:22:14 PM

Overall Review: Highly recommened

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Wonderful 10/30/2019 1:31:28 PM

Pros: - Clean design with almost nonexistent bezels, a compact and elegant base, and a white back. Silver/White colors are a nice change from black plastic. I prefer the minimalist design over the modern swoopy 'fox ears' stying.
- The circular base legs are thin and leave lots of room. Many other monitors have thicker legs or large base plates that waste desktop space.
- Feels very stable and non-tippy on the desk.
- The base snaps into the the back of the monitor with a bayonet mount. A single button releases it.
- It has a VESA mount if you want to hang it on the wall.
- Ports on back point directly back which makes it easier to plug in and makes maximum use of cable length. My previous monitor had right side ports but the computer was on the left, requiring longer cables. I don't like ports that point down because you can invariably see the cables hanging under the monitor.
- Flat screen - I prefer flat over curved.
- High resolution lets you put more stuff on the screen.
- 4K is crystal clear and a noticeable step up from my previous 2560x1440 monitor
- Photos shot in 4K can be viewed in native resolution
- Comes with a color calibration certificate
- On Screen Display is managed with a single joystick - easy to navigate.
- Included CD has software that lets you configure monitor on the desktop with a mouse.
- Monitor bios can be updated from their website, must be connected via the USB cable to your computer.
- No dead pixels at all
- IPS panel gives you good side viewing and color accuracy
- Plenty bright
- Freesync
- Included HDMI, Display port and USBC-USBC cables.
- Built in speaker is automatically detected in Windows. It worked with both the HDMI and Display port cables. The speaker can be muted or shut down in the configuration.
- Headphone 3.5mm port. Worked with both the HDMI or Dispplay port cables.
- Built in USB 3 hub with two USB 3 type A ports - Note that the upstream input port is USB-C
- Fun playing Dying Light with a Radeon VII card at 4K, ultra max setting, with Freesync. They say you need 144 hz for FPS gaming nowadays, but honestly, it was an excellent experience. The RVII easily ran the game at those settings.
- Especially good for games like Civilization.
- For general computer use I prefer 4k over 144hz.
- Has HDR, but I haven't tried it yet.

Cons: - My computer doesn't have a USB-C port. I had to order a USB-A to USB-C cable to connect the computer to the monitor's USB hub. But Newegg has tons of such cables at a nominal cost.

Overall Review: - Very fast free delivery, 6 days. And it came from Canada, no less.
- Good feature balance. It's a great 4k monitor and gaming monitor.

2 out of 2 people found this review helpful. Did you?
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