27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal)
  • 27 Inch 4K UHD IPS Monitor
  • HDR 10
  • USB Type-C™
  • sRGB 99% Color Gamut
  • AMD FreeSync™ Technology
  • 3-Side Virtually Borderless Design
27" Class 4K UHD IPS LED Monitor with HDR 10 (27" Diagonal)
$ 649.99
Where to Buy
*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)
*Images simulated.
*FreeSync is only available when it is connected to Display Port or HDMI.

On-Screen Control

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.
On-Screen Control<br>1 On-Screen Control<br>2
Watch how the On-Screen Control feature can help configure your display for maximum organization and efficiency.
Software download required to enable OnScreen Control. For download details, visit LGUSA.com/OnScreenControlSupport


  • DC Off
    Adapter (140W)
  • Input
    100~240V (50/60Hz)
    Power Save/Sleep Mode (Max.)
  • Normal On (EPA)
    Normal On (factory out condition Typ.)


  • TUV-Type
  • FCC-B, CE
  • KC
  • Windows 10
  • DisplayPort


  • Shipping Weight
    19.8 lbs
    With Stand (WxHxD)
    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
    13.4 lbs
    Without Stand Weight
    10.6 lbs


  • DDC/CI
    HDMI & DP & USB-C , Yes (2.2)
  • sRGB
    Plug & Play
  • Super+ Resolution
    Factory Calibration
  • Reader Mode
    Flicker Safe
  • Six Axis Control
    Black Level
  • DAS Mode
    On Screen Control
  • Ratio
    Adaptive Sync
    AMD FreeSync™


  • Limited Warranty
    1 Year Parts & Labor


  • Screen Size Class (diagonal)
    Color Depth
    10bit(8bit + A-FRC)
  • Pixel Pitch (mm)


  • Refresh Rate
  • Panel Type
    Aspect Ratio
  • Brightness
    Typical 350nits,Min 280nits
    Color Gamut
    sRGB 99% (Typ)
  • Response Time
    5ms (Faster)
    Contrast Ratio (DFC)
  • Viewing Angle
    178/178 (CR≥10) (Typ)
    Surface Treatment
    Anti-Glare 3H
  • H/W Calibration


  • Headphone Out
    Display Port
  • USB-C
    Yes (1.5m White Cable, PD+DP+Data, UHD@60Hz)
    USB Down-Stream (ver 3.0)
    2 downstream (No Service Only Port, ver 3.1 gen1)
  • HDMI
    Yes x2 (HDR support)


  • Detachable Base
    Tilt (Angle)
    -5~20 Degree
  • Pivot
    Height (mm)


  • VESA® Size (mm)
    100 x 100
    Power Cord
    Yes (White)
  • HDMI™
    Yes (White)
    Easy Setup Guide
  • Calibration Report (Paper)
    DP to DP
    Yes (White)


  • Type
    5W x 2


  • HDR


  • Dual Controller
    S/W Install CD

What people are saying

Rated 5 out of 5 by from Great USB-C 4K monitor I purchased this as my Mac Pro 15 just has USB-C ports. Even my Windows Lenovo Yoga 720 has just the USB-C port for connecting into an external monitor. I like the one cable connection to this monitor without the need for any adaptors. Love the fact that it has a USB Hub but it appears to be USB 2.0 rather than USB 3.0 as the speeds maintained are lower. The On Screen controls work well and are responsive enough. The speakers on the monitor are are not very good though. But do the job.
Date published: 2019-11-08
Rated 4 out of 5 by from Nice Monitor. I received the monitor like 2 weeks ago for my Mac Mini 2018 and it works really great! I'll like to buy a second one to replace the old Samsung TV/Monitor I have now like second screen. The only issues for me will be the sound quality as the Samsung's is much better and the stand as the curve shape takes some useful space in my desk.
Date published: 2019-10-07
Rated 5 out of 5 by from Great monitor for MacBook Pro I bought this monitor to replace an older ASUS my grandson had designs on. I selected it because it uses a single USB-C connection to supply both the MacBook’s video and power requirements. The 65W power supply charges MacBook quickly, and the video is excellent. With my settings, the power supply is turned off when the monitor is turned off; it does charge the computer when asleep. The supplied cables are high quality.
Date published: 2019-09-13
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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.

When I connect the 27-UK850 monitor to my 2018 MacBook Pro, the monitor doesn't detect the connection and shuts down. Do I need to install LG software to run the monitor?

Asked by: pmacaustin
The LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W is a Plug and Play monitor so you do not need to download any drivers, it should detect your computer when it is connected. Check to make sure that your cables are in good repair. If the cables are good, you may need to have the monitor inspected. Should you need further assistance, please contact our Support Center at (800) 243-0000...^IFV
Answered by: Ivanf
Date published: 2019-10-03

I want to buy the LG 27UK850-W for my mid-2015 iMac (5k; Thunderbolt 2). I'll buy a USB-C computer in 2021: 1.) Can I connect the monitor to my current iMac using Apple's Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter? 2.) Will it run at 4k @ 60Hz?

Asked by: aimson
The LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK650-W has a native resolution of 3840 x 2160 &amp; a Refresh Rate of 60Hz. It features a DisplayPort input, 2 x HDMI ports &amp; a USB-C port. All the ports support 4K @ 60Hz. You will need to check the specification for the adapter that you intend to use to connect to the monitor &amp; the GPU in your computer to make sure that they support 4K @ 60Hz...^IFV
Answered by: Ivanf
Date published: 2019-08-16

Need supported graphic cards for LG27UK850-W lcd. Kindly suggest 2Gb and 4 gb 4k/5k graphic cards for this model no.

Asked by: VikramKadam
The LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal), Model # 27UK850-W features AMD FreeSync&trade; Technology so it will work with any AMD GPU's that support its Refresh rate (60Hz) and its native resolution (3840 x 2160). It features a USB-C port and an HDMI port for connectivity...^IFV
Answered by: Ivanf
Date published: 2019-08-14

Is LG Joel appropriately recognized by his manager as being a really diligent support person? I'm quite impressed at the specificity of responses to Qs... Since that wasn't one: How to best compare 27UK850-W with 27ud88-W and 28mu88-W?

Asked by: zumboo
The compliment is greatly appreciated and the most rewarding aspect of the recognition is your acknowledgment and that you have taken the time to express it. The whole purpose is to provide you and our clients with the best responses possible and your post serves as feedback that lets us know that we are on the right track. Thank you! The LG 27&quot; Class 4K UHD IPS LED Monitor with HDR 10 (27&quot; Diagonal), Model # 27UD850-W, the LG 27&quot; Class 4K UHD IPS LED Monitor (27&quot; Diagonal), Model # 27UD88-W and the LG 27&rdquo; class (27&rdquo; diagonal) Ultra HD 4K Monitor, Model # 27MU88-W have very similar specifications and features with few differences. The 27MU88-W is a monitor from our Business/Commercial division while the 27UK850-W and the 27UD88-W are from our Consumer division. Business/Commercial monitors typically come with a 3-Year Limited Warranty for parts, labor and the backlight as is the case for the 27MU88-W. Our consumer monitors come with a Limited Manufacturer's Warranty of 1-Year for parts and labor. As you have ascertained from the title descriptions, one difference is that Model # 27UK850-W supports HDR while Model # 27UD88-W &amp; Model # 27MU88-W do not. Other differences are that the 27UK850-W and the 27MU88-W have a matte screen that has an Anti-Glare 3H Surface Treatment while the 27UD88-W does not. The 27UK850-W and the 27MU88-W are VESA compliant monitors and both have the same A x B VESA Wall Mount Interface pattern of 100 x 100mm, the 27UD88-W is not wall mountable. The stand for the 27UK850-W and the 27MU88-W are height adjustable, they can be tilted (Tilt Angle for the 27UK850-W is -5~20 Degrees and is -3~20 for the 27MU88-W), and they allow you to pivot the monitor. The stand for the 27UD88-W is fixed. The 27UK850-W is the only one of these monitors that has built-in speakers (2 x 5W), the 27MU88-W is the only one that supports multiple languages (16 languages). The 27UD88-W and the 27MU88-W have a DICOM mode (DICOM - Digital Imaging and Communications in Medicine &mdash; is the international standard for medical images and related information (ISO 12052). It defines the formats for medical images that can be exchanged with the data and quality necessary for clinical use.)...^IFV
Answered by: Ivanf
Date published: 2019-04-11

I am able to use the USB A port to connect my keyboard and use type-C port to connect my MacBook and use the keyboard on the Mac. However, can I also use the HDMI to connect a PC and also use the keyboard on that PC?

Asked by: MichaelCh
You can visit the support page for the LG 27&quot; Class 4K UHD IPS LED Monitor with HDR 10 (27&quot; Diagonal), Model # 27UK850-W and download the Dual Controller software. Dual Controller is application software that lets the user control multiple Windows and Mac systems using a shared keyboard and mouse attached to one computer. It is designed for people who often use more than one system placed next to each other. With Dual Controller Software, the user can share a single keyboard/mouse across a set of systems (Windows/MAC). The software is packaged as an Install Shield installation package...^IFV
Answered by: Ivanf
Date published: 2019-04-03

So it says its 60hz at 4k but if i ran it at 1080 or 2k what kind of refresh rates does this monitor have. Will it do 144hz or 165hz?

Asked by: curiouscustomer123
The LG 27&quot; Class 4K UHD IPS LED Monitor with HDR 10 (27&quot; Diagonal), Model # 27UK850-W has a native refresh rate of 60Hz as you have noted. The monitor does not support a higher refresh rate even if you use a lower resolution...^IFV
Answered by: LGJoel
Date published: 2019-03-11

Hi, I have a 2017 Macbook Pro with Touchbar, Intel Iris Plus Graphics 650 1536 MB graphics. Can I get 60hz 4k by connecting it to this monitor via the USB-C to USB-C included in the box? Thanks

Asked by: Danfrin
The USB Type-C&trade;port on this LG 27&quot; Class 4K UHD IPS LED Monitor with HDR 10 (27&quot; Diagonal), Model # 27UK850-W allows 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable...^IFV
Answered by: LGJoel
Date published: 2019-02-11

Is it possible to leverage both DP input and USB-C hub functionality simultaneously? I would like to connect this display directly to eGPU using DP and also run USB-C from mac to display to connect mouse and keyboard,&nbsp;

Asked by: jackie2707
The DisplayPort and USB Type-C&trade; ports on the LG 27&quot; Class 4K UHD IPS LED Monitor with HDR 10 (27&quot; Diagonal), Model # 27UK850-W are independent of one another so you can use them simultaneously. The USB Type-C&trade; is a single port that allows 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable. The USB ports that are on a hub on this monitor are the 2 x USB 3.1 Gen 1 Down-Stream ports that you can plug peripheral devices such as thumb drives, printers etc., ^IV
Answered by: LGJoel
Date published: 2019-02-05
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