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LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, HDMI, DisplayPort, USB Type-C, Tilt/Height Adjustable Stand, Black

LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor

Bottom line: The LG 34WR55QK-B 34-inch UltraWide WQHD Curved Computer Monitor: 3440x1440 WQHD on a 21:9 34-inch curved panel for multi-window workspace; main trade-off: 100Hz falls short of 144Hz+ gaming ultrawides.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

Pros & Cons

Pros

  • ✓ 3440x1440 WQHD on a 21:9 34-inch curved panel for multi-window workspace
  • ✓ USB-C with up to 65W power delivery charges a laptop over one cable
  • ✓ 100Hz refresh is smoother than standard 60Hz office monitors
  • ✓ Picture-by-Picture displays two input sources on one screen

Cons

  • ✗ 100Hz falls short of 144Hz+ gaming ultrawides
  • ✗ Up to 99% sRGB only; no wide DCI-P3 gamut for color work
  • ✗ HDR10 without local dimming limits real HDR contrast
  • ✗ 5ms response trails 1ms fast-gaming panels

Manufacturer description

For work or even play, see the big picture with the LG UltraWIde 34" WQHD curved monitor, the ultimate screen space upgrade for those who crave more screen space. The wide 21:9 aspect ratio and 3440 x 1440 resolution offer a crisp, immersive workspace—perfect for those whose work demands lots of screen space to see multiple windows all at once. Enjoy smoother performance with a 100Hz refresh rate and the convenience of USB Type-C connectivity, delivering power and data through a single cable. The height and tilt-adjustable stand ensures ergonomic comfort, while the 3-side virtually…

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SpecPicks Verdict

SpecPicks scored LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 21:9 UltraWide - The 21:9 UltraWide WQHD (3440 x 1440) monitor is great for work. The widescreen allows you to see everything you're working on, with multiple windows open, all on one screen.
  • Color Gamut - Immerse yourself in a world of brilliant color from HDR10 that helps enhance picture quality and up to 99% sRGB color gamut expression to make games pop.
  • OnScreen Control - You can customize the workspace by splitting the display or adjusting basic monitor options with just a few mouse clicks.
  • Multi Task - OnScreen Control supports Picture-by-Picture (PbP) allowing you to configure your monitor to show content from two separate input sources. Play, watch, stream or work from multiple input sources at the same time, on one screen.
  • Connections - Seamlessly connect to external devices or charge your laptop with the convenience of USB Type-C with up to 65W power delivery.
  • Reader Mode - Watch your monitor for longer periods of time. Reader Mode provides optimal conditions for reading by reducing blue light.

Full Specifications

BrandLG
ColorBlack
ShapeCurved
Voltage240 volts
Brightness300 cd
Model Name34WR55QK-B.AUS
ResolutionQHD Ultra Wide 1440p
Unit Count1 Count
Color Gamut99
Pixel Pitch0.23
Screen Size34 inches
Aspect Ratio21:9
ConnectivityUSB
Display TypeLED
Model Number34WR55QK-B.AUS
Refresh Rate100 hertz
Adaptive SyncFreeSync
Mounting TypeWall Mount
Response Time5 milliseconds
Screen FinishMatte
Full listing titleLG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, HDMI, DisplayPort, USB Type-C, Tilt/Height Adjustable Stand, Black

Ready to buy?

LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, HDMI, DisplayPort, USB Type-C, Tilt/Height Adjustable Stand, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, HDMI, DisplayPort, USB Type-C, Tilt/Height Adjustable Stand, Black
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