LG 34UM88-P 34" 21:9 UltraWide FreeSync IPS Monitor

Model #34UM88-P

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Stand System

Height Adjustment Range 4.7" (120 mm)
Tilt (Angle) -5 to 20°
VESA Compatibility 100 x 100 mm


Voltage Input 100 - 240 VAC
Normal On (EPA 6.0) 56.73 W

Packaging Info

Package Weight 27.0 lb
Box Dimensions (LxWxH) 38.0 x 21.0 x 8.0"

General Information

Aspect Ratio 21:9
Resolution 3440 x 1440
Brightness 300 cd/m2
Contrast Ratio Dynamic: 5,000,000:1
Viewing Angles (H/V) 178°/178°
Surface Treatment Hard coating (3H), anti-glare
Screen Size 34" (86.4 cm)
USB Hub 2 x USB 3.0 Type-A (downstream, 1 supports quick charge) 1 x USB 3.0 Type-A (upstream)
Audio 2 x 7 W MaxxAudio speakers
Ports and Connectors 2 x HDMI 2.0 1 x DisplayPort 1.2 2 x Thunderbolt 2.0
Panel Type In-Plane Switching (IPS)
Color Gamut sRGB over 99%
Color Depth (Number of Colors) 10-bit (8-bit+FRC), 1.07 billion Colors
Pixel Pitch (H x V) 0.2325 x 0.2325 mm
Response Time (GtG) 5 ms
Refresh Rate 60 Hz DisplayPort: FreeSync 48-60 Hz


Weight With Stand: 18.5 lbs (8.4 kg)
Dimensions (W x H x D) With Stand: 32.7 x 16.9-21.6 x 9.4" (83.1 x 42.9-54.9 x 23.9 cm) Without Stand: 32.7 x 15 x 1.9" (83.1 x 38.1 x 4.8 cm)
Standards & Certifications UL (cUL), TUV-type, FCC-B, CE, CCC, BSMI, EAP 6.0, ErP, EPEAT Gold, Windows, DisplayPort
User Reviews
Ncix com.34769895
13 July 2017

I`m not so sure about the ultra wide idea when LG rolls it out, I was using two PG279 in my home, I`m a heavy PC user, I do cares about the the display alot , one day in my friends home, he asked my help with some video and photo editing , I`m surprised by his LG 29inch ultra wide , next day I went...

  • +

    Ultra wide. really good IPS panel with no light bleeding, good 2K res, good speakers, strong stand

  • -

    using 4 screws to attach lcd to the stand , not mount friend

20 May 2016

When it comes to ultra-wide monitors you will either really love the expanded viewing area or you’ll just hate that it takes up too much space. If you’re a Photoshop user or just do office work the added space will give you enough room to have two windows side by side without having to have a dual...

  • +

    Great picture quality, 2k resolution, very good contrast, IPS panel, Lots of ports, 99% sRGB color gamut

  • -

    Stand could be better, might be too wide for some people

11 December 2016

Don't waste time on this monitor. I, like hundreds of others, received a monitor with the mounting screws loose inside the back case and now must hassle through a return for no reason other than unbelievably poor quality control.

10 April 2018

Worst costumer service I ever experienced by LG, would avoid the brand at all costs

10 January 2018

The monitor comes with a 1.8m Display Port cable, a 1.8m HDMI cable, stand, psu and mains cable, an instruction leaflet and a CD containing some utilities and drivers. From what I can see you don't need to install the drivers in to Windows 10.

21 December 2017

Love this screen. Don't use the onscreen split controller as much as I'd thought I would because it dictates window-size too much, but its there if required.

Lg electronics.33759265
14 November 2017

I've owned this panel for a year (almost to the day) - there are newer ones out there with nicer features (a thunderbolt 3 port, for instance), however this has served me well, and I've had no issues with it at all.

14 November 2017

I've owned this panel for a year (almost to the day) - there are newer ones out there with nicer features (a thunderbolt 3 port, for instance), however this has served me well, and I've had no issues with it at all.

6 November 2017

Using this as an advertising board in portrait mode, it is behind glass and has been running for nearly a year completely faultless - we would absolutely buy another one

22 September 2017

Amazing monitor. Stepped up from a 24" Acer (which was also amazing) but this is just something else. The real estate available on this screen is staggering. With a single screen you can view 3 full-size A4 documents side-by-side. Chrome just doesn't know what to do with all the extra space.

Product Highlights
  • In-Plane Switching (IPS) Technology
  • HDMI + DisplayPort + Thunderbolt 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 Hub
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