Skip to main contentSkip to footer

Explore more like this

Overview

The LG 34GX900A-B curved OLED gaming monitor pulls you into every moment with vibrant, true-to-life visuals and a seamless ultra-wide view. Enjoy smooth, responsive gameplay thanks to a 240Hz refresh rate, ultra-fast response time, and a suite of advanced technologies that minimize tearing, stutter, and lag.
  • 34 in. curved OLED, 3440 x 1440 ultra-wide WQHD display
  • Up to 240Hz refresh rate for fluid, responsive gaming
This description was generated by AI and reviewed for accuracy.
Open Box

Open Box - LG 34" Ultrawide Curved UWQHD OLED Gaming Monitor (34GX900A-B) - G-Sync/FreeSync - 0.03ms GTG - 240Hz

Model: 34GX900A-B
Web Code: 19635144
Sold and shipped by | 4.1 seller rating (11,109 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • LG Monitor and Stand
  • External Power (Adapter with cord)
  • HDMI Cable
  • DisplayPort Cable
  • USB-C Cable
What you need to know
  • 34 in. ultra-wide curved OLED screen with 3440 x 1440 resolution for immersive gaming
  • OLED panel delivers perfect blacks, high contrast, and brilliant colour
  • Supports up to 240Hz refresh rate for smooth, fast-moving visuals
  • G-SYNC Compatible, FreeSync Premium Pro, and VESA AdaptiveSync reduce screen tearing
  • DisplayHDR True Black 400 highlights deep blacks and bright details
Screen & Picture
  • Ultra-wide 21:9 aspect ratio gives you a wide field of view for multitasking and more immersive gameplay
  • DCI-P3 98.5% colour gamut displays vibrant, true-to-life colours in games and media
  • Micro Lens Array+ (MLA+) increases SDR brightness by up to 37.5%, improving light efficiency and reducing loss
  • Colour calibrated in factory for accurate colour out of the box
  • 178-degree horizontal and vertical viewing angles maintain a clear picture from almost any position
  • Colour weakness mode assists users with colour vision deficiency
  • Reader mode reduces blue light for more comfortable long viewing sessions
Motion & Gaming
  • 0.03ms (GTG) response time enables blur-free motion for fast-paced gaming
  • Dynamic Action Sync lowers input lag for responsive gameplay
  • VESA Certified AdaptiveSync, G-SYNC Compatible, and FreeSync Premium Pro ensure smooth visuals by matching the monitor’s refresh rate with your GPU
  • Black Stabilizer enhances visibility in dark game scenes
  • Crosshair and FPS Counter provide gaming-focused utility
  • User Defined Key allows custom shortcuts for in-game actions
Features
  • Picture-by-Picture (PBP) and Picture-in-Picture (PIP) let you view content from two sources simultaneously for multitasking
  • Built-in speakers deliver sound without the need for external speakers
  • Auto Input Switch detects and changes sources automatically
  • RGB Unity Hexagon Lighting adds ambience to your setup
  • Smart Energy Saving reduces power use
Connections
  • Two HDMI 2.3, one DisplayPort, one USB-C with 65W Power Delivery, two USB-A v3.0, and one headphone out (sound and mic) offer flexible connectivity options
  • HDCP support helps ensure compatibility with protected content
Stand, Mounting & Dimensions
  • Height, tilt, and swivel adjustments offer a comfortable viewing position
  • VESA mountable (100 x 100) for flexible installation options
  • Sleek L-stand design minimizes clutter and saves desk space
This description was generated by AI and reviewed for accuracy.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders over $14 (before taxes, fees, and promo codes).

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Monitors
Return/Exchange Period
30 days
Condition
Opened

Learn more about returning a Marketplace product