LG UltraGear 39GX90SA-W 39" Class UW-QHD Curved Screen Gaming OLED Monitor - 21:9 - Black

The 240Hz OLED Smart gaming monitor that's ahead of the (800R) curve

The 39" WQHD OLED with a steep 800R curve and up to 1300 nits (APL 1.5%) peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth. Plus, LG's webOS lets you stream your favorites and cloud game all from one epic screen.

Up to 240Hz & 0.03ms - Outrageous OLED Gaming Speed

Game at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03ms (GtG) response time. The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting.

Your Favorite Streaming Services Plus Cloud Gaming

Thanks to webOS24, find your favorites fast with built-in access to Netflix, Prime Video, the Apple TV app, Disney+, HBO Max. And over 300 free LG Channels with everything from comedy to movies to sports. Game without a PC or console! Connect to your favorite cloud gaming services such as NVIDIA GeForce NOW, Amazon Luna, and Blacknut directly from the webOS home screen.

Ultimate Frame Sync: FreeSync™ Premium & G-SYNC® Compatible

Say goodbye to screen tearing and stutter. With AMD FreeSync™ Premium and NVIDIA® G-SYNC® compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.

Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW

Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.

The 800R Curve: Surround Yourself in the Action

See and feel the action all around you with the dramatic 800R curve. This steep curvature extends your periphery, pulling you deeper into the game and making the action more intense.

Low Glare, More Focus: Play Without Distractions

UL-verified "Flicker-free Display", "Discomfort Glare Free" and "Low Blue Light Hardware Solution Platinum", this OLED display keeps your view crisp and colors bold. With advanced anti-glare tech minimizing reflections, you get distraction-free clarity so you can stay focused and dominate in any lighting.

webOS Gaming: AI tools customize your gaming experience

Experience enhanced gaming in webOS with AI tools. Dynamic Tone Mapping and AI Picture sharpen visuals, while AI Personalized Picture Wizard customizes settings to your taste. AI Sound completes the package, delivering precision-tuned audio for every game or stream.

Unlock Your Potential with Advanced Gaming Features

Dynamic Action Sync reduces input lag for real-time response.

Black Stabilizer brightens dark scenes to see what's hidden

FPS Counter shows your real-time frame rate

Crosshair enhances precision for deadly accuracy

OLED Protection: 2-Year Limited Warranty & Panel Care Tools

Rest easy knowing your OLED monitor is built to last. The 2-year limited warranty covers key components, including the OLED panel. And OLED Care tools such as pixel cleaning keep your display sharp, for reliable top-tier performance. Please see Warranty Information on this page for all warranty details.

• Gaming OLED Monitor ensures consistent operation during extended sessions across diverse usage scenarios


• USB Type-C offers compact, reversible connectivity for fast transmission and versatile peripheral support


• 39" viewable screen size delivers high-fidelity visuals with accurate brightness and color across all content types


• 0.03 ms response time eliminates ghosting and preserves edge definition for clean, uninterrupted visuals in fast content


• Enjoy vibrant colors and crisp visuals with 275 cd/m² brightness, ideal for both bright environments and detailed content


• The 3440x1440 resolution with UltraWide Quad HD mode delivers immersive visuals and sharp picture quality across wide screens


• 3440 x 1440 maximum resolution ensures vivid, crystal-clear output with consistent pixel accuracy


• 240 Hz standard refresh rate minimizes image blur for crisp, fluid visuals in dynamic scenes and high-speed video playback


• 21:9 aspect ratio ensures that you easily view CinemaScope video content without letterboxing or disto