LG 

34BR55QC-B 34 LG MONITOR, 3440X1440, 21:9 VA, HDMI 2.0 (2), DP 1.4, USB TYPE-C, USB 3.0 (2)

Mfg Part Number:  34BR55QC-B  
Image may not reflect the actual item.
Price: $540.58 + Free Shipping
Quantity:
In Stock: 1026
Last Updated: Feb 05, 2026
No Sales Tax except these states
, PO and Wire.

Immersive viewing experience

  • 34" WQHD Curved (3440x1440)
  • sRGB 99% (Typ.) / HDR10

Work efficiency

  • USB Type-C™ with power delivery
  • Multiple ports

Comfortable workstation

  • Ergonomic Stand
  • Reader Mode & Flicker Safe


21:9 WQHD (3440x1440) Curved | See more, do more

The UltraWide™ QHD (3440x1440) with 1800R curvature and 21:9 aspect ratio is great for work as it can display various programs at once.

Picture By Picture (PBP) | Easy multi-tasking set-up

34BR55QC allows you to see multiple contents from two computers with the picture-by-picture feature.

HDR10 with sRGB 99% (Typ.) | See amazing colors

This monitor is equipped with HDR technology and is compatible with industry standard HDR10, based on the sRBG 99% color gamut. It supports specific levels of color and brightness that let viewers enjoy their content in dramatic colors.

USB Type-C™ | Easy control and connectivity

USB Type-C™ port supports display connection, data transfer, and connected device charging (up to 65W) simultaneously over a single cable.

Multi ports | A variety of interface

This monitor offers USB Type-C™, DisplayPort, HDMI, and USB (Downstream3.0) compatible with existing devices for a smooth display and headphone out port support hardware connectivity.

OnScreen Control

You can customize the workspace by splitting the display or adjusting basic monitor options with just a few mouse clicks.

Ergonomic Design | Easy and comfortable

The ergonomicly design stand lets you easily adjust the height, tilt, pivot, and swivel for your ideal viewing experience.

Reader Mode

Reader Mode adjusts the monitor's color temperature and luminance to reduce blue light emissions and allow for comfortable long-term viewing.

Flicker Safe

LG's Flicker-Safe technology reduces onscreen flicker levels to almost zero.

More from the Manufacturer

Main Specification
General Information
Manufacturer LG Electronics
Manufacturer Part Number 34BR55QCB
Manufacturer Website Address https://solutions.lg.com/us
Brand Name LG
Product Model 34BR55QC-B
Product Name 34BR55QC-B Widescreen LCD Monitor
Product Type LCD Monitor
Technical Information
Number of Screens 1
Screen Size Class 34"
Viewable Screen Size 34"
Screen Mode UWQHD
Screen Surface Anti-glare
Display Screen Type Curved
Panel Technology Vertical Alignment (VA)
Response Time 5 ms
Response Time Details 5 ms GTG
Aspect Ratio 21:9
Pixel Pitch 0.07725 mm x 0.23175 mm
Horizontal Viewing Angle 178°
Vertical Viewing Angle 178°
Mount Type Wall Mountable
HDCP Supported Yes
Maximum Adjustable Height 5.91"
Tilt Angle -5° to 35°
Features Dual Controller
Features Color Calibration
Features Flicker-free
Features Reading Mode
Features Variable Picture Mode
Features Black Stabilizer Technology
Features One Click Mount
Features OnScreen Control
Features High Dynamic Range (HDR)
Features Color Weakness Mode
Features Dynamic Action Sync
Features Super Resolution+
Features HDR10
Features Picture by Picture
Features Smart Energy Saving
Features Brightness Sensor
Vertical Frequency 48 Hz to 100 Hz - HDMI
Vertical Frequency 48 Hz to 100 Hz - DisplayPort
Vertical Frequency 48 Hz to 100 Hz - USB Type C
Stand Adjustments Swivel
Stand Adjustments Height
Stand Adjustments Tilt
Stand Type Detachable
Curved Screen Yes
Curvature 1800R
Number of OSD Languages 17
Video
Maximum Resolution 3440 x 1440
Standard Refresh Rate 100 Hz
Color Supported 16.7 Million Colors
Color Depth 8-bit
Contrast Ratio 3,000:1
Brightness 300 Nit
Tearing Prevention Technology FreeSync
Color Gamut 99% sRGB (CIE 1931)
Native Resolution 3440 x 1440
Maximum Resolution (USB-C) 3440x1440@100Hz
Audio
Speakers No
Interfaces/Ports
Network (RJ-45) No
HDMI Yes
HDMI Version 2
USB Yes
VGA No
Headphone Yes
DisplayPort Yes
DisplayPort Version 1.4
Thunderbolt No
USB Type-C Yes
Number of HDMI Inputs 2
Number of USB 3.0 Downstream Ports 2
Number of DisplayPorts 1
Total Number of USB Type-C Ports 1
USB Type-C (Power Delivery) 65 W
Audio Line In No
DisplayPort Input Yes
DisplayPort Output No
Built-in Devices
Webcam No
Power Description
Input Voltage Range 120V to 230V
Frequency 60 Hz
Frequency 50 Hz
Physical Characteristics
VESA Mount Compatible Yes
VESA Mount Standard 100 x 100
Color Family Black
Product Color Textured Black
Stand Color Hair Line Texture Black
Stand Color High Glossy Texture Black
Height 14.1"
Width 31.9"
Depth 3.6"
Miscellaneous
Additional Information
  • 3-Side Virtually Border-less Design
  • Surface Treatment (Hard Coating):No
  • DDC/CI.1:No
  • Key Lock:No
  • HW Calibration:No
  • Picture-in-Picture (PIP):No
  • USB Plug & Play:No
  • CE (Regulatory):No
  • Wide Color Gamut (WCG):No
  • Local Dimming Zone:No
  • Surface Treatment (Haze):No
  • Nano IPS™ Technology:No
  • Contrast Ratio with DFC:No
  • VESA DisplayHDR:No
  • Off Timer:No
  • Black Equalizer:No
  • DAS Mode:No
  • MBR (Supported Frequencies):No
  • Auto Input Switch:No
  • Intelligent Auto (Auto Adjustment):No
  • User Define Key:No
  • Mini PC Bracket Ready:No
  • Microphone In (3.5 mm):No
  • Thunderbolt™ (V Frequency):No
  • Thunderbolt™ (USB-Compatibility):No
  • RS-232C In (3.5 mm 4-pin):No
  • Thunderbolt™ (Max Resolution):No
  • DVI-D In:No
  • Built-in Mic:No
  • RADEON FreeSync™:No
  • Motion Blur Reduction Technology:No
  • OverClocking:No
  • Crosshair:No
  • FreeSync™ (Low Frame Compensation):No
  • FPS Counter:No
  • Local Dimming:No
  • Low Blue Light:No
  • Color Blind Mode:No
  • LG Callibration Studio:No
  • CB:No
  • ROHS:No, REACH (Environmental):No
  • Operating System:No
  • Thunderbolt Certification:No
  • USB-IF:No
  • U.S. ePEAT (Environmental):No
  • TUV Eyesafe:No
  • TUV LBL:No
  • PVC-Free:No
  • EPA (Environmental):No
  • USB-C (VESA):No
  • ERP (Environmental):No
  • TUV-TYPE (Regulatory):No
  • TCO (Sustainability):No
  • Energy Star (Environmental):No
  • IEC (Electrical):No
  • USB Type-A (Upstream):No
  • USB Type-C (DisplayPort Version):1.4
  • Country of Assembly:Mexico
    		•
    Certifications & Standards
  • UL/cUL
  • FCC (Regulatory)
  • CEC (Regulatory)
    		•
    TAA Compliant Yes
    UL Listed Yes
    Warranty
    Limited Warranty 3 Year
    product information
    WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
    [0] [true] [Yes] [No] [Yes]