To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater).
LG.com utilizes responsive design to provide a convenient experience that conforms to your devices screen size. In order to get the best possible experience from our website, please follow below instructions.
If you’re using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater).
Add items to your wishlist so you can easily find them when you return to LG.com. It's an easy way to keep track of that special something you've had your eye on or save gift ideas for friends and family.
Notify Me When Available
Enter your email address below to receive a notification as soon as this item is back in stock.
Enter your Email
Please enter a valid email
Your email was received. We will let you know when this product is back in stock.
Thank You for your Inquiry
A member of our Sales team will be in contact with you shortly.
27" Class 4K UHD IPS LED Monitor with HDR10 (27" Diagonal)
To more fully realize content creators’ vision, this monitor is compatible with industry-standard HDR10 high dynamic range, supporting specific levels of color and brightness that exceed the capabilities of ordinary monitors.
*Depending on the Windows 10 OS settings, HDR content may not be displayed accurately. Please check the HDR On/Off setting of Windows. The HDR setting of Windows defaults to "On" and should be set to "Off" when not viewing HDR content. Images simulated. (A software update will be made available)
The HDR Effect helps transform non-HDR content into high quality video that looks like HDR through its picture quality algorithm.
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.
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.
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™.
With FreeSync*, gamers can experience seamless, fluid movement throughout hi-res, fast-paced games. FreeSync virtually eliminates screen tearing and stuttering.
*FreeSync is only available when it is connected to Display Port or HDMI.
Advanced Gaming Features
Serious gaming features for serious gamers. Quickly optimize monitor settings to activate Black Stabilizer to reveal superior detail in dark scenes while the Dynamic Action Sync feature assures smooth, fluid gaming action.
On-Screen Control puts a host of essential monitor settings into a handy window for quick, easy access. Volume, brightness, picture mode presets, Screen Split 2.0 and Dual Controller and more can now be adjusted with just a few clicks of the mouse, instead of hard buttons on the monitor.
4.1" x 22.0" x 9.2" (Up)/4.1" x 17.7" x 9.2" (Down)
Without Stand (WxHxD)
24.1" x 14.3" x 1.8"
Shipping Dimensions (WxHxD)
27.2" x 19.4" x 8.2"
With Stand Weight
Without Stand Weight
HDMI & DP & USB-C , Yes (2.2)
Plug & Play
Six Axis Control
On Screen Control
1 Year Parts & Labor
Screen Size Class (diagonal)
10bit(8bit + A-FRC)
Pixel Pitch (mm)
Typical 350nits,Min 280nits
sRGB 99% (Typ)
Contrast Ratio (DFC)
178/178 (CR≥10) (Typ)
Yes x 2
Yes x 1
Yes (60W Power Delivery)
USB Downstream Port
Yes x 2 (Ver3.0)
VESA® Size (mm)
100 x 100
Easy Setup Guide
Calibration Report (Paper)
DP to DP
5W x 2
S/W Install CD
What people are saying
Rated 5 out of
Great adaptabilityI bought this at the start of my remote college semester and it truly allowed me to organize my workflow for school on a different level! Seconded as a TV during my downtime. Was also instrumental in my use of photo editing software and programming assignments
Date published: 2021-05-20
Rated 5 out of
Excellent monitorGot it for gaming And the picture quality does not lack. Very crisp and clear. No frame delay
Date published: 2021-05-09
Rated 4 out of
Surprises me all the timeOverall I love the monitor and only wish it has the newer HDMI capabilities and support for slightly higher framerates. I have had this monitor since it first came out and it has been a couple years without finding anything that can replace this one with the same quality and features + other desired ones. Everything else is a trade-off.
Also over time I keep discovering new capabilities for this panel and after running calibration on it, I feel like I have a new screen that displays most content in amazing quality, with the only exception that video playback formats have surpassed what this screen can do compared to my phone/tablet/tvs with HDR and backlight. For work and for video games it beats anything else, but for video I am left wanting more.
Ask your questions. Share your answers. Please review the detailed product information and help guides in the Product Support section for this product prior to posting a question.
Does this monitor have a built-in camera? How do I use my Macbook Pro with the built-in camera from the monitor or do I need to purchase a camera then attach it to the monitor?
Asked by: STINKYPUFF
The LG 27'' Class 4K UHD IPS LED Monitor with HDR10 (27'' Diagonal), Model # 27UK850-W does not have a built-in camera. If your MacBook Pro has a built-in camera, you can view images from its built-in camera on the monitor as long as it is connected to the monitor. Please refer to the owner's manual for your MacBook Pro about how to use its built-in camera with monitors or contact Apple for assistance...^IFV
Answered by: Ivanf
Date published: 2020-12-01
After a few months after purchase, there is not a vertical red line on my monitor. I connected the monitor to my 2018 MBP via Display Port and via USB C and the line is there. Is there any way to fix this?
Asked by: juan234
Please contact our Support Center at (800) 243-0000 for assistance with the red line that you are referring to on the LG 27'' Class 4K UHD IPS LED Monitor with HDR10 (27'' Diagonal), Model # 27UK850-W. The monitor will need to be inspected to determine what is causing the red line. You can also visit us at https://www.lg.com/us/support/find-service-center to see if there are any LG Repair Service Centers in your area that you can take the monitor to and have them inspect the monitor...^IFV
Answered by: Ivanf
Date published: 2020-10-15
When I enable "High Dynamic Range" on macOS Catalina 10.15.4, the colors get weird and the picture is unusable. Do I need to change some setting in order for HDR to work correctly with macOS?
Asked by: mv78
The newly released macOS 10.15.4 Catalina update for Mac that was released on March 25, 2020, delivers improved support for any High Dynamic Range monitor, including the LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W. After updating to 10.15.4, users with monitors that support high dynamic range —or HDR —will now see a checkbox within the Display section of System Preferences. Ticking this box will automatically adjust the display to show high dynamic range content as you have done. Apple highlighted the change in the macOS 10.15.4 release notes. The company specifically noted, "customized reference modes that you can tailor to specific workflow needs by selecting from several color gamut, white point, luminance, and transfer function options." Additionally, Apple has published a new support document that explains how to use the new reference modes. These modes will allow advanced users to create tailored modes for different workflows by choosing different "color gamut, white point, luminance, and transfer function options". We highly recommend that you contact Apple for advice about the weird colors you are experiencing...^IFV
Answered by: Ivanf
Date published: 2020-10-07
Can it do 4k 60Hz HDR over display port?
Asked by: Waity5
Both the HDMI and DisplayPort inputs on the LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W support HDR and both support 4K @ 30Hz or @60Hz...^IFV
Answered by: Ivanf
Date published: 2020-03-23
Is there BlueTooth for this panel #27UK850-W?
Asked by: Sai SL
No, the 27UK850-W does not have bluetooth capability.
Answered by: ChrisPSM
Date published: 2020-03-11
Amazon is listing a 2020 LG 27" IPS HDR10 UHD 4K (3840X2160) USB Type-C Monitor as a "newer model." Is this an update to 27UK850-W? What are the similarities/differences?
Asked by: Gene15
What is the model number for the monitor that Amazon has listed as "a 2020 LG 27" IPS HDR10 UHD 4K (3840X2160) USB Type-C Monitor"? The LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W is a 2018 model and there is a 2019 model, the LG 27'' Class 4K UHD IPS LED Monitor with VESA DisplayHDR 400 (27'' Diagonal), Model # 27UL850-W...^IFV
Answered by: Ivanf
Date published: 2020-07-23
USB peripherals data transfer rate is only 480Mb/s.
I have a USB-C 3 cable (not the included cable) connected from a 15" Macbook pro to the 27UK850, and a USB-3 hard drive connected to the monitor via the USB-A port. Shouldn't the internal hub be faster?
Asked by: G000
We would be happy to look into this further for you. For assistance, please give our computer specialists a call at 800-243-0000.
Answered by: ChrisPSM
Date published: 2020-02-26
Does the 27uk850-w allow you to control rgb adjustments separately? As this monitor will be calibrated and profiled for photo color correction.
Asked by: nonicknames
The Color Temp setting in the settings menu for the LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W lets you adjust it to red, green, or blue and in the Color Adjust setting, you can customize the picture color using Red, Green, or Blue...^IFV
1Free shipping not available for parts and accessories. Free shipping to qualifying US destinations in the contiguous United States; not available for P.O. Boxes, addresses outside the contiguous 48 states, international addresses, Army Post Office (APO), Diplomatic Post Office (DPO) and Fleet Post Office (FPO).
*Parts and accessories shipping cost may vary.
Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.
Not only does LG have the #1 UltraWide*, UHD** and gaming monitors*** in the country, but with a wide range of options, we make it easy to find the right LG monitor for all that you do. Just a few of the options available include:
• Curved UltraWide Monitors: Whether you want one large panoramic view or need a 4-screen split so you can see more of your work at once, our curved UltraWide monitors make it all possible. Their 21:9 aspect ratio and IPS technology ensure you'll get true color accuracy at any angle – making them among the best computer monitors for designers, photographers, gamers and other professionals who need more room for big ideas.
• UltraFine™ Monitors: Our UltraFine collection includes brilliant 4K monitors, as well as breathtaking 5K monitors in a variety of sizes. But no matter which solution fits best, you'll still get a stunning IPS display that delivers vibrant colors, incredible clarity and fine detail. • UltraGear™ Gaming Monitors: Get widescreen monitors built for gaming. With the latest hardware specs, game-focused features, like NVIDIA G-SYNC™ compatibility, and AMD Radeon™ FreeSync™ 2 technology, a vibrant IPS display, 1ms GTG response times and pro-level customizations, you cannot just get in the game – you can dominate it.
Whether you're looking for curved monitors for work, a 4K or 5K solution for your home office, or need a new gaming monitor to elevate your play, we've got you covered. Check out all the latest monitors from LG – including our 4K, IPS and gaming monitors, as well as our LED monitors, and our UltraWide, UltraFine collections – and find the right monitor for your space and your life.