LG UltraGear 34GN850-B 34" 21:9 Curved 160 Hz Adaptive-Sync HDR IPS Gaming Monitor

Model #34GN850-B

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Power Adapter Type External
Power Consumption 72 W (Typical)
80 W (Maximum)
0.5 W (Standby)
AC Input Power 100 to 240 VAC, 50 / 60 Hz


Rotation Adjustment None
Swivel Adjustment None
Tilt Adjustment Yes
Dimensions (W x H x D) 32.3 x 22.6 x 12.3" / 819.2 x 574.1 x 312.2 mm (with Stand)
32.3 x 14.2 x 4.1" / 819.2 x 361.6 x 104.4 mm (without Stand)
Mounting-Hole Pattern 100 x 100 mm
Weight 16.75 lb / 7.6 kg
12.13 lb / 5.5 kg
Height Adjustment 4.33" / 110 mm

Packaging Info

Box Dimensions (LxWxH) 38.5 x 20.5 x 9.5"
Package Weight 25 lb

Inputs / Outputs

Connectivity 2 x HDMI
1 x DisplayPort 1.4
1 x USB Type-B Output
2 x USB Type-A Input
1 x 3.5 mm Output
Built-In Speakers None


HDR Compatibility HDR10
Response Time 1 ms (GtG)
Size 34"
Dot Pitch 0.2325 x 0.2325 mm
Viewing Angle Vertical: 178°
Horizontal: 178°
Panel Type IPS-Type LCD
Curvature Yes
Touchscreen No
Resolution 3440 x 1440
Aspect Ratio 21:9
Pixels Per Inch (ppi) 109 ppi
Finish Matte
Hardness Rating 3H
Maximum Brightness 400 cd/m2
Contrast Ratio 1000:1
Refresh Rate 160 Hz
Adaptive-Sync Technology G-Sync, FreeSync, Adaptive-Sync
Bit Depth / Color Support 10-Bit (1.07 Billion Colors)
Expert Reviews
9 June 2020

The LG 34GN850-B is an overall good monitor with impressive gaming performance. It has a 1440p resolution on a 34 inch screen, deliveri...

Tech advisor.34947295
14 July 2020

This out-and-out curved ultrawide gaming monitor has a lot of clever tech and offers high-end performance, but can you afford one?

User Reviews
B h photo.34921152
30 May 2020

Overall a great investment. Superb picture quality and detail. really enjoying moving to this monitor for video editing and color grading. there is some backlight bleed in the corners - but it is only noticeable at certain angles when screen is 100% black.

31 August 2020

Truly a 2nd generation ultra wide monitor, no quality issues with my panel which has plagued these ultra wide monitors for years. Pros: Excellent minimal design. Standard VESA mounting Monitor is surprisingly light 165hz refresh rate Gsync FreeSync Great response time for a IPS panel, no the...

B h photo.34921152
24 May 2020

This monitor is awesome the picture quality of Lg's nano Ips looks great. The brightness is very good it has the new adaptive sync so no longer tied down to either gsync or freesync. It has very little back light bleeding in the newer models. 160hz very fast monitor all my games are very smooth.

5 July 2020

This is my first ultra wide and I am beyond impressed with the level of immersion of this Display. One thing that I did not expect to like was the HDR400 performance of this monitor, A lot of people think that you need 1000Nits for 'TRUE' HDR, but this display gets bright enough for my eyes; A must...

B h photo.34921152
14 July 2020

i have upgraded from two 27 Dell monitors at 1080p resolution and the difference is amazing. This monitor is awesome the picture quality of Lg's nano Ips looks great. The brightness is very good it has the new adaptive sync so no longer tied down to either gsync or freesync.

4 August 2020

Coming from a 4K monitor this is definitely not the highest density monitor so I wouldn’t recommend it for daily productivity purposes. G-Sync also has some issues for me. It’s a “compatible” display but for some reason it wouldn’t engage on occasion which I’ve never seen in previous dedicated...

B h photo.34921152
1 June 2020

This is a gorgeous monitor... apparently too gorgeous. My wife became jealous because I was spending so much time with this model and we got divorced. I only see my kids on the weekends now. Although, Im usually busy using this monitor, so itd be more fitting to say my kids see me.

13 July 2020

Ignored the negative reviews hoping my monitor would be fine, it wasn't. Will try the replacement. Edit: Replacement works thankfully. The first charging brick made a weird noise that the new one doesn't, guessing that was the issue. I Will update in a month to confirm if it still works.

B h photo.34921152
12 August 2020

Higher refresh rate than most 3440x1440p monitors with a great response time. Contrast and blacks aren't amazing and there is backlight bleed in the four corners if you look at an all black screen in a dark room, you don't notice it anyway else. There is about a 3/8 black border all the way around.

2 August 2020

This LG ultrawide is sick. Looks good, colors nice, plenty bright. Easy to put together and easy to disassemble if necessary. Mediocre black levels compared to regular high quality LEDs/OLEDs, but still better than most widescreens on the market. Great monitor, really can't go wrong.

Product Highlights
  • Nano In-Plane Switching (IPS) Panel
  • HDMI | DisplayPort Inputs
  • 3440 x 1440 Resolution
  • 1000:1 Static Contrast Ratio
  • 400 cd/m² Brightness
  • 178°/178° Viewing Angles
  • 1 ms Response Time (GtG)
  • 160 Hz Refresh Rate
  • 1.07 Billion Colors
In The Box
  • LG UltraGear 34GN850-B 34" 21:9 Curved 160 Hz Adaptive-Sync HDR IPS Gaming Monitor
  • HDMI Cable
  • Power Cable
  • Limited 1-Year Warranty
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