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LG - UltraWide 34" IPS FHD 100Hz, 5ms, Monitor with VESA DisplayHDR 400 (HDMI, DisplayPort) - Black

Model: 34U511A-B
SKU: 10926562
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4.11(388)

Highlights

  • Key Specs
    • Refresh Rate: 100Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 2560 x 1080 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Response Time: 5 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Panel Type: IPS (Technology that affects response time and image quality.)
    • Synchronization Technology: Not Applicable (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Screen Size: 34 inches (Size of the screen, measured diagonally from corner to corner.)
    • Display Connector(s): 1 x DisplayPort, 1 x HDMI (The number and type of connectors used to connect to an external display.)
  • General
    • Brand: LG
    • Model Number: 34U511A-B
    • Product Name: UltraWide 34" IPS FHD 100Hz, 5ms, Monitor with VESA DisplayHDR 400 (HDMI, DisplayPort)
    • Color: Black
    • Operating System Compatibility: Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable
  • Display
    • Refresh Rate: 100Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 2560 x 1080 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Contrast Ratio: 1000:1 (Measured difference between a displayed image's brightest whites and darkest blacks. The larger the first number, the more detail and color that can be displayed.)
    • Response Time: 5 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Display Type: LED
    • Panel Type: IPS (Technology that affects response time and image quality.)
    • Synchronization Technology: Not Applicable (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Aspect Ratio: 21:9 (The measurement of the width of a screen compared to the height of a screen, expressed as a ratio.)
    • Curved Screen: false
    • Brightness: 400 candela per square meter (A measure of the total light output.)
    • Screen Size: 34 inches (Size of the screen, measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: VESA Certified DisplayHDR 400, HDR 10 (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • Horizontal Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from either side.)
    • Vertical Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from above or below.)
  • Connectivity
    • Number of DisplayPort Inputs (Total): 1
    • Number of HDMI Inputs (Total): 1
    • Display Connector(s): 1 x DisplayPort, 1 x HDMI (The number and type of connectors used to connect to an external display.)
    • Headphone Jack: true (The device features an interface that allows for the connection of headphones.)
  • Compatibility
    • Wall Mountable: true (The product is able to be secured to a wall. Some products are designed ready to mount, while others may require additional hardware/accessories for installation.)
    • VESA Wall Mount Standard: 100mm x 100mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
  • Features
    • Tiltable: true
    • Adjustable Stand Height: false
    • Built-In Webcam: false
    • Integrated Speaker(s): false
  • Dimensions
    • Product Height With Stand: 19.2 inches
    • Product Height Without Stand: 14.4 inches
    • Product Width: 32.1 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth (With Stand): 8.7 inches
    • Product Depth Without Stand: 1.8 inches
    • Product Weight: 16.8 pounds (The out of box weight of the item.)
    • Stand Included: true
  • Certifications Listings & Approvals
    • ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
    • EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
  • Warranty
    • Warranty - Parts: 1 Year Parts and Labor
    • Warranty - Labor: 1 Year Parts and Labor
  • Other
    • UPC: 195174130940

Upgrade your desktop setup with the 34" Full HD (2560 × 1080) IPS UltraWide monitor, designed to give you more room to do more. The expansive 21:9 aspect ratio lets you view multiple windows side by side, cutting down on app switching and boosting productivity. Enjoy smooth visuals with a 100Hz refresh rate and 5ms response time, while VESA DisplayHDR 400 and up to sRGB 99% deliver vibrant, bold color and impressive contrast. A narrow-bezel, virtually borderless design and slim stand helps keep your workspace clutter free and looking good.

  • Widescreen Workflows Made Effortless: Upgrade your desktop setup with a 34" 21:9 UltraWide Full HD display that lets you see more at once. Enjoy smooth 100Hz visuals, vibrant HDR color, and a sleek, narrow-bezel design—perfect for multitasking, creativity, and everyday comfort.
  • 21:9 Widescreen for Maximum Multitasking Power: The 21:9 UltraWide Full HD (2560 × 1080) display gives you more horizontal space than standard 16:9 monitors, so you can keep multiple windows open side by side. A virtually borderless design delivers an uninterrupted view for smoother, more efficient multitasking.
  • HDR Brightness and Color That Pops: VESA DisplayHDR 400 enhances brightness, contrast, and detail for more dynamic visuals, while up to sRGB 99% coverage delivers rich, vivid, color. The IPS panel keeps images sharp and clear from virtually any viewing angle.
  • Customize Your Screen View with the Switch App: The Switch app¹ transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey.
  • 100Hz Keeps Motion Super Smooth: With a 100Hz refresh rate and 5ms response time, this UltraWide keeps visuals smooth and clear. Perfect for video calls, streaming, and everyday tasks.
  • Reader Mode Brings Comfort to Reading: Reader Mode adjusts your display to warmer tones and optimized brightness, that’s easier on the eyes—ideal for reading documents or browsing for extended periods.
  • Minimal Stand, Maximum Workspace Efficiency: Save desktop space with a slim stand and square base that reduce desktop footprint and tidy your setup.
Whats Included
  • Monitor
  • Power Cable
  • HDMI Cable
Product Manuals
Disclaimers
  • ¹Software installation required. Visit Support on LG.com to download.

Q: Are there displayport inputs on this monitor?

A: Yes, there is one displayport input on this monitor.

Q: Can I mount this monitor to the wall?

A: Yes, you can mount this monitor to the wall.

Q: What is the refresh rate for this monitor?

A: The refresh rate for this monitor is 100Hz.

Q: Does this monitor have a headphone jack?

A: Yes, this monitor has a headphone jack.

Q: Is the screen curved on this monitor?

A: No, the screen is not curved on this monitor.

Q: What is the response time of this monitor?

A: The response time of this monitor is 5 milliseconds.

Q: Does this monitor support high dynamic range?

A: Yes, this monitor supports high dynamic range.

Q: Is this compatible with mac computers?

A: Yes. I have a 2025 MacBook and use a Dual Monitor setup. It's awesome. Super easy to set up. My adapter didn't even need to download software for them to start working.

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Pros for LG - UltraWide 34" IPS FHD 100Hz, 5ms, Monitor with VESA DisplayHDR 400 (HDMI, DisplayPort) - Black
Screen Size, Overall Performance, Refresh Rate, CompatibilityScreen Size, Overall Performance, Resolution, Refresh Rate, Ease of useOverall PerformanceOverall Performance, Screen Size, Refresh Rate, Resolution, Curvature
Cons for LG - UltraWide 34" IPS FHD 100Hz, 5ms, Monitor with VESA DisplayHDR 400 (HDMI, DisplayPort) - Black
ResolutionSpeakers, StandThere were no cons for this productStand, Speakers, Connectivity, Ghosting, Price

Specs

Reviews

Customers are sayingCustomers highly value the generous screen size, which provides ample space for multitasking, and the product's strong overall performance. They also appreciate the fast refresh rate for casual gaming and its excellent compatibility with various computers. However, some users have noted that the resolution could be improved, as text may appear softer compared to higher-resolution panels.
This summary was generated by AI based on customer reviews.
  • Screen Size (37)
  • Overall Performance (14)
  • Refresh Rate (10)
  • Compatibility (3)
  • Resolution (3)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

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