LG 27UP850-W 27" 4K HDR Monitor

Model: 27UP850N-W

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MSRP: $546.00 ?


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AC Input Power 100 to 240 VAC, 50 / 60 Hz
Power Consumption 185 W (Maximum)
44 W (Typical)
25.4 W (Eco)
0.3 W (Standby)
USB Power Delivery 96 W (via USB Type-C)


Lock Slot No
Mounting-Hole Pattern 100 x 100 mm
Max Arm Extension Length None
Swivel Adjustment None
Rotation Adjustment 90°
Height Adjustment 4.3" / 109.2 mm
Tilt Adjustment Yes
Weight 13.0 lb / 5.9 kg (with Stand)
9.0 lb / 4.1 kg (without Stand)
Dimensions (W x H x D) 24.2 x 22.4 x 11.5" / 614.7 x 569.0 x 292.1 mm (with Stand)
24.2 x 14.3 x 1.8" / 614.7 x 363.2 x 45.7 mm (without Stand)

Packaging Info

Package Weight 20.575 lb
Box Dimensions (LxWxH) 26.9 x 19.2 x 8.9"

Inputs / Outputs

Inputs/Outputs 2 x HDMI Input
1 x DisplayPort Input
1 x USB Type-C Input/Output
2 x USB Type-A (USB 3.1 / USB 3.2 Gen 1) Output
1 x 1/8" / 3.5 mm Output
Multi-Input Support (PIP/PBP) None
Media Card Reader None
Built-In Speakers Yes, 2 x 5 W
HDCP Support No


Dot Pitch 0.1554 x 0.1554 mm
Viewing Angle (H x V) 178 x 178°
Response Time 5 ms (GtG)
Color Gamut 95% DCI-P3
HDR Compatibility HDR10
Bit Depth / Color Support 10-Bit (1.07 Billion Colors)
Variable Refresh Technology FreeSync
Refresh Rate 60 Hz
Contrast Ratio 1200:1
Maximum Brightness 400 cd/m2
Finish Anti-Glare / Matte
Pixels Per Inch (ppi) 163 ppi
Aspect Ratio 16:9
Resolution 3840 x 2160
Touchscreen No
Panel Type IPS-Type LCD
Size 27"
User Reviews
19 November 2021

Bought this monitor to use with a 16” MacBook Pro. The single cable for charging, video, and USB (for a webcam) is great. Picture is sharp, DCI-P3 mode is a fairly close match to the colors of a MacBook.The HDR mode looks pretty bad, and the screen works a lot better with a Mac when it’s off.

  • +

    Style/Design, Features/Settings, Performance, Quality

30 July 2021

The monitor looks good. But when I connect it to my macbook pro 2018, it says no signal. The laptop is charging though. I tried HDMI cable and it worked. I am not sure if the usb-c cable has a issue or if I need to change some settings or not. If I can't find a way, I may return the monitor

16 August 2022

Since buying this I have been pulling my hair out to try to get it set up. I have spent numerous hours on the chat line and got no where. After two days I got desperate and rebooted my computer. It went through a whole bunch of stuff for about an hour and a half and finally the monitor came on.

  • +


15 October 2021

The images quality is as good as Apple's built-in Retina display, (In fact, LG is one of Apple Display suppliers). as long as with some tweaks. First of all, disable HDR mode. This display is really not a good "TRUE" HDR display, as it only has peek 400nt brightness, despite it's marketing "HDR...

12 June 2023

I had to switch from iMac to a Mac Studio to keep up with the demands of my 3D CAD software upgrades. This display is a more-than-adequate replacement to the iMac. Sure, it's not Retina, but I don't think my eyesight is good enough anyway to really notice much of a difference.

24 June 2021

This monitor is simply amazing. It charges my mac with USB-C, so there’s no need for a dongle. Additionally, I connected my logitech webcam and it automagically connected with my mac. Not only is the monitor good looking, the fact that it replaces my charging dongle is well worth it.

11 October 2023

Overall the monitor is great and it looks amazing. The only thing I can complain about is that two months after owning it while working half the monitor screen went black. I’ve sent it out to LG for repair hopefully that doesn’t take long as I need the monitor for work because working off a laptop...

27 June 2021

This product has been everything I hoped. The picture quality and brightness are great. The monitor also works great as a hub for my M1 MacBook Pro, allowing me to do everything with one cable plugged in. Computer while plugged in, even with intensive tasks, stays at 100% charge.

16 June 2021

Once you get a well built unit is a great monitor for the price. I had to return the first unit because something was off with the colors.After two weeks of use i gotta say that the construction and ergonomics (tilt, height) are great.

  • +

    Style/Design, Quality

4 September 2021

I like the I/O flexibility. I connected this via USB-C to my M1 MacBook Air. This is the monitor connection AND the power supply/battery charger for the computer. AND, it has a pair of USB-3.1 A connectors on the back. I hook my older Apple Extended Keyboard to one of them.

Product Highlights
  • 27" 16:9 IPS Panel
  • HDMI | DisplayPort | USB Type-C
  • 4K UHD 3840 x 2160 at 60 Hz
  • FreeSync | Dynamic Action Sync
  • 5 ms (GtG) Response Time
  • 1200:1 Static Contrast Ratio
  • 400 nits Brightness
  • 1.07 Billion Colors
  • 95% DCI-P3 Coverage
  • Integrated USB Hub
In The Box
  • LG 27UP850-W 27" 4K HDR Monitor
  • DisplayPort Cable
  • HDMI Cable
  • USB Type-C Cable
  • Limited 1-Year Warranty
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