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Overview

Enjoy next level of gaming immersion with the LG 34-inch curved G-Sync FreeSync monitor. WQHD resolution offers stunning colour and clarity, while the 240Hz refresh rate and 0.03ms response time deliver super smooth visuals. Dynamic Action Sync reduces input lag, and VESA certified AdaptiveSync minimizes screen tear and stuttering, giving you a seamless gaming experience.

LG 34" WQHD 240Hz 0.03ms GTG Curved OLED LED G-Sync FreeSync Gaming Monitor (34GX900A-B) - Black

Model: 34GX900A-B
Web Code: 19407380
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30 days to return or exchange

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Manufacturer's Warranty

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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
  • 34-inch curved LED display with WQHD (3440 x 1440) resolution and 21: 9 aspect ratio offers a wide field of view for multitasking
  • 240Hz refresh rate and 0.03ms (GtG) response time deliver ultra-smooth, blur-free motion for fast-paced, competitive gaming
  • Dynamic Action Sync reduces input lag, beneficial for fast-paced gaming
  • NVIDIA G-SYNC compatible technology reduces screen tearing and stuttering for a smooth, responsive gaming experience
  • VESA Certified AdaptiveSync ensures smooth, tear-free visuals by dynamically matching the monitor's refresh rate with your GPU's frame output
  • AMD FreeSync Premium Pro eliminates screen tearing and minimizing stutter and input lag
  • DCI-P3 98.5% colour gamut provides vibrant, true-to-life colours for more immersive and accurate visuals in games and media
  • DisplayHDR True Black 400 shows deep blacks and bright highlights for clear, detailed dark scenes
  • Micro Lens Array+ (MLA+) technology boosts brightness by up to 37.5% in SDR, improving light efficiency and reducing light loss
  • Colour Calibrated in Factory ensures accurate, true-to-life colours right out of the box
  • Colour weakness mode assists users with colour vision deficiency
  • 178-degree viewing angles, both horizontally and vertically, deliver clear, consistent colours from almost any position
  • PBP (Picture-by-Picture) and PIP (Picture-in-Picture) let you view content from two sources simultaneously, boosting productivity and multitasking
  • Reader mode reduces blue light to create optimal reading conditions, making your eyes comfortable during long viewing sessions
  • L-stand sleek design minimizes clutter, saves desk space and adds a modern, stylish look to your setup
  • Two HDMI 2.3, one DisplayPort, one USB-C with 65W PD, two USB-A v3.0, and one headphone out Four Pole (Sound+Mic) provide versatile connectivity options
Product Condition
Brand New
ENERGY STAR certified
No

Display

Screen Size
33.9 in
Resolution
1440p WQHD
Native Resolution
3440 x 1440
Aspect Ratio
21:9
Display Type
LED
Touchscreen
No
Viewing Angle
178º(R/L), 178º(U/D)
Response Time (Grey-to-Grey)
0.03 ms
Refresh Rate
240 Hz
Brightness
275 cd/m²
Dynamic Contrast Ratio
1500000:1 (Typ)
Colour Gamut
DCI-P3 98.5% (CIE1976)
3D Video Support Built-in
No
Built-In TV Tuner
No

Panel

Panel Technology
OLED
Panel Type
OLED
Curved
Yes

Audio

Built-in Speakers
Yes
Speaker Output Power
14 W

Inputs/Outputs

Input/Output Types
2 x HDMI 2.3; 1 x DisplayPort; 1 USB-C with 65W PD; 2 x USB-A v3.0; 1 x headphone out 4Pole (Sound+Mic)
Built-In Webcam
No
DVI-D Support
No
HDCP Support
Yes

Power

Typical Consumption
43.33 W
Stand-By Consumption
0.5 W
Auto Off
Yes
Energy Saving Mode
Yes

Stand/Mount Features

Tilt Adjustment
Yes
Swivel Adjustment
Yes
Height Adjustment
Yes
VESA Mountable
Yes
VESA Sizes Supported
100 x 100
Other Features
HDR 10; DisplayHDR True Black 400; HDR Effect; Color Calibrated in Factory; HW Calibration Ready; Reader Mode; Color Weakness; G-SYNC Compatible; FreeSync Premium Pro; VRR; VESA Adaptive Sync; VESA ClearMR 13000; Black Stabilizer; Dynamic Action Sync; Crosshair; FPS Counter; User Defined Key; Auto Input Switch; RGB LED Lighting Unity Hexagon Lighting; PBP 2PBP; PIP; Smart Energy Saving; Live Color Low Blue Light

Physical Features

Colour
Black
Dimensions with Stand (cm)
78.4 (W) x 58.0 (H) x 29.1 (D) cm
Dimensions with Stand (in)
30.87 (W) x 22.83 (H) x 11.46 (D) in
Dimensions without Stand (cm)
78.4 (W) x 35.8 (H) x 16.7 (D) cm
Dimensions without Stand (in)
30.87 (W) x 14.09 (H) x 6.57 (D) in
Weight (With Stand)
10.4 kg
Weight (Without Stand)
6.2 kg

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. Information about the manufacturer’s availability guarantee can be found .