LG UltraGear 39GX90SA-W 39″ OLED Gaming Monitor – WQHD 3440×1440 – 240Hz – 0.03ms – G-Sync & FreeSync – 800R Curved – webOS

Overview

The LG UltraGear 39GX90SA-W is a premium ultrawide OLED gaming monitor designed for immersive gameplay and high-performance visuals. With its 800R deep curve and stunning OLED panel, it delivers exceptional contrast, color accuracy, and responsiveness.

Display & Visual Quality

Experience WQHD (3440x1440) resolution on a 39-inch OLED panel with near-infinite contrast and true blacks. The ultrawide 21:9 aspect ratio expands your field of view, while the anti-glare coating ensures comfortable viewing.

Performance

Built for competitive gaming, the 240Hz refresh rate and 0.03ms response time deliver ultra-smooth motion and lightning-fast responsiveness.

Adaptive Sync

Supports NVIDIA G-SYNC Compatible and AMD FreeSync Premium technologies to eliminate screen tearing and stuttering.

Smart Features

Integrated webOS platform allows access to apps and smart features, enhanced by AI Picture and Dynamic Tone Mapping for optimized visuals.

Design

Features a sleek white design with Hexagon LED lighting on the back, adding a premium gaming aesthetic. The adjustable stand supports height, tilt, and swivel for ergonomic comfort.

Audio & Connectivity

Includes built-in stereo speakers and a wide range of connectivity options including HDMI 2.1, DisplayPort 1.4, USB-C with power delivery, and USB-A ports.

Gaming Features

Includes advanced gaming tools such as Crosshair, HDR Effect, Auto Brightness, PIP/PBP modes, and customizable user controls.

Specifications

Model	LG UltraGear 39" WQHD OLED Curved Gaming Monitor
Part No	39GX90SA-W
Screen Size	39"
Panel Type	OLED
Resolution	3440 x 1440 (WQHD)
Refresh Rate	240Hz
Response Time	0.03ms (GtG)
Curvature	800R
Brightness	280 nits (Typical)
HDR	HDR10 + VESA DisplayHDR True Black 400
Aspect Ratio	21:9 Ultrawide
Contrast Ratio	Near-Infinite
Display Colors	1.07 Billion (10-bit)
Audio	Built-in Stereo Speakers
Ports	2x HDMI 2.1, DisplayPort 1.4, USB-C (PD), USB-A, Audio Out
Stand	Height, Tilt, Swivel Adjustable
VESA Mount	100 x 100 mm
Dimensions	~901 x 564 x 302 mm
Weight	~13.1 kg
Power	External Adapter (100–240V)
Warranty	1 Year (As per Manufacturer Policy)