LG 34UC88-B 34" 21:9 UltraWide Curved FreeSync IPS Monitor

Model #34UC88-B

LG Warranty
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Stand System

Tilt (Angle) -5 to 20 degree
Adjustable Height 4.7" (120 mm)
VESA 100 x 100 mm


Input 100 to 240 V
Power Consumption (Active) 56.7 W (EPA 6.0)

Packaging Info

Box Dimensions (LxWxH) 38.0 x 20.0 x 8.0"
Package Weight 25.8 lb

General Information

Resolution 3440 x 1440
Refresh Rate 48 to 75 Hz with DisplayPort
Brightness 300 cd/m2
Dynamic Contrast Ratio 5,000,000:1
Viewing Angle (H/V) 178°/178°
Screen Size (Diagonal) 34" (86.4 cm)
Ports and Connectors 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x USB 3.0 Type-A (up-stream) 2 x USB 3.0 Type-A (down-stream)
Audio 2 x 7 W MaxxAudio Speakers
Surface Treatment Hard Coating (3H), anti-glare
Panel Type In-Plane Switching (IPS)
Color Gamut sRGB over 99%
Color Depth 10-bit (8bit+FRC), 1.07 Billion
Pixel Pitch 0.2628 x 0.2628 mm
Response Time (GtG) 5 ms
Aspect Ratio 21:9


Weight With Stand: 18.3 lbs (8.3 kg)
Dimensions (W x H x D) With Stand: 32.2 x 17.6-22.4 x 9.4" (817.9 x 447-569 x 238.8 mm) Without Stand: 32.2 x 14.2 x 3.5" (817.9 x 360.7 x 89 mm)
Standards UL(cUL), TUV-type, FCC-B, CE, CCC, BSMI, EPA 6.0, ErP, EPEAT Gold, Windows, DisplayPort
Expert Reviews
Techradar uk.32817471
14 October 2016

There’s nothing quite like working (and playing) on an ultra-wide curved monitor, and this is one of the best we’ve seen.

  • +

    Beautiful QHD display, Fetching design, Impressive 'Dynamic Action Sync' mode

  • -

    No G-Sync support, Limited to 75Hz refresh rate

User Reviews
B h photo.34921152
30 August 2017

I'm a software developer, and this display is the perfect solution to the two-monitor dilemma - that you need extra space, but also want your most intensive work to be directly in front of you, where monitor bezels are in the way. It's fantastic. Rock solid.

Lg electronics.33757219
1 November 2017

I bought this to have a more productive workspace...it's all that I expected and more...this monitor is nothing short of awesomesauce...the sound is surprisingly really crisp as well.

  • +

    Style/Design, Features/Settings, Performance, Quality, easy to use

Ncix com.34769895
28 May 2016

This is a great display at a great price. If you're looking for something to replace 2 monitors that is crisp, bright and color accurate -- this is for you.

  • +

    Pixel density is perfect for the size of the display. I worried about going to a 4K display since many Windows apps can't scale properly to the higher density. I learned this lesson with the Surface Pro 3 -- you don't want a super-high res screen if it's too physically small.

  • -

    The stand doesn't allow you to rotate the display. Honestly though -- common sense would tell you that is impractical as the display is 34" wide -- the stand would have to be absurdly tall for that to work.

Micro center.34865720
2 weeks ago

Great price for an awesome curved screen ultra-wide monitor. It fits perfectly under cabinet in the corner of my little cubicle--giving me plenty of real estate for multiple programs on screen.

28 November 2017

This monitor has image retention problems. I noticed it after the 1 year warranty, so now I am stuck with the monitor that has burnt in images all the time. My other monitors do not do this and for the price, I expect this one not to either.

26 June 2016

I'm not an expert in monitors obviously, but this is the best one I got so far. I used to have Hanns-G, Samsung, NEC,

  • +

    - Colors are wonderfull

  • -

    - A bit pricey

24 December 2017

image retention problems after about a year

Lg electronics.33757219
22 December 2017

Purchased as a "NEW" item off Ebay. Ended up being a refurb that LG had passed to dealer as new. Hoping it lasts. Great monitor so far.

  • +


22 December 2017

nothing compares to the quality!

Lg electronics.33757219
25 November 2017

This monitor has a short warranty and the monitor has an annoying burn in to the screen.

Product Highlights
  • In-Plane Switching (IPS) Technology
  • HDMI + DisplayPort Inputs
  • 3440 x 1440 QHD Resolution
  • 5,000,000:1 Dynamic Contrast Ratio
  • 300 cd/m² Brightness
  • 178°/178° Viewing Angles
  • 5 ms Response Time
  • 1.07 Billion Colors
  • Built-In USB 3.0 Type-A Hub
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