LG - UltraGear 34" OLED WQHD 240Hz 0.03ms G-SYNC FreeSync Premium Pro Gaming Monitor with DisplayHDR400 TRUE - White
Model: 34GX90SB-W
SKU: 6670043
Featured products
Sponsored
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
The UltraGear 34” OLED Smart gaming monitor delivers the speed, scale, and smart performance serious players demand. The ultra-wide 21:9 display provides tons of usable screen space, giving you a broader view for deeper, more controlled gameplay. OLED technology powers vivid color, deep blacks, and a 1.5M:1 contrast ratio, enhanced by DisplayHDR True Black 400 and up to 98.5% DCI-P3 coverage. Stay competitive with a 240Hz refresh rate¹ and ultra-fast 0.03ms (GtG) response time for sharp, fluid motion with reduced blur. NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro help keep gameplay smooth and tear-free. MLA+ technology boosts brightness up to 1300 nits peak for stronger highlights and better visibility. The dramatic 800R curve pulls you deeper into the action, while the virtually borderless design keeps your focus locked in. Built-in webOS lets you stream content or jump into cloud gaming—no PC or console required. USB-C with 65W power delivery simplifies your setup, while the adjustable stand keeps you comfortable through every session.
The UltraGear 34” OLED gaming monitor combines ultra-wide scale, 240Hz speed, and 0.03ms response time for sharp, fluid gameplay with stunning contrast and color. With built-in webOS for streaming and cloud gaming, plus USB-C connectivity, it delivers a complete gaming and entertainment setup in one display.
Meet the smart gaming monitor powered by webOS and AI—built for how you play. Stream your favorite services and shows with free LG Channels and top apps, or jump straight into cloud gaming—no PC or console required. Everything’s right on screen, easily controlled with the remote for quick, hassle-free access.²
Powered by the alpha 8 AI Processor 4K Gen3, your Smart Monitor intelligently optimizes picture and sound in real time. Think of it as the brain behind the experience—enhancing sharpness, balancing brightness, and improving audio clarity so everything looks and sounds better with less effort.
AI Picture Pro enhances everything you watch with sharper, more refined visuals. AI Super Upscaling improves image clarity, while Dynamic Tone Mapping Pro balances brightness and detail across each scene—so images look clearer, more defined, and consistently well-balanced.
The AI Sound setting analyzes on-screen action and separates voices, sound effects, and background audio. AI Sound helps keep team comms clear while highlighting important gameplay cues—like approaching footsteps or nearby action—through speakers or connected headphones.³
Browse LG’s Gaming Portal⁴ with a gamepad or remote, track rankings and points, and jump into a wide mix of games—from AAA titles to casual favorites. With access to leading cloud gaming services including Xbox Cloud Gaming, GeForce NOW, and Amazon Luna, plus native webOS app games, you can start playing instantly—no console or PC required.
The 21:9 34” UltraGear OLED delivers the ultimate ultra-wide screen with ample space to game, stream and multitask all on one screen at the same time. Get ready for a bigger, more immersive experience that pulls you deeper into the action.
MLA+ pushes OLED brightness further, hitting up to 1300 nits peak for stronger highlights and better visibility in every scene. By improving light efficiency and reducing loss, MLA+ delivers brighter, visuals with enhanced contrast—so games look sharper and more defined.
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.
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.
This UltraGear OLED display is five times UL-certified⁵—for Discomfort Glare Free, Flicker-Free, and Low Blue Light. Combined with a matte anti-glare finish, the display helps reduce distractions, keep your view crisp, and maintain visual comfort—so you can stay focused and perform at your best, even during extended gaming sessions.
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.
Minimize screen tearing and stuttering with NVIDIA G-SYNC compatibility and AMD FreeSync Premium Pro.⁶ These adaptive sync technologies help keep gameplay smooth and responsive by matching the monitor’s refresh rate to your GPU—so fast action stays clear with reduced blur and ghosting.
Simplify your setup with USB-C—connect your laptop and get up to 65W power delivery through a single cable. For gaming, tap into WQHD resolution at up to 240Hz via DisplayPort 1.4 or HDMI 2.1 for smooth, seamless performance.⁷
With the LG Switch app⁸, easily optimize your monitor for gaming or everyday use. Adjust brightness, fine-tune image quality, apply settings with a hotkey, split the screen into 11 layouts, and launch video calls in a click.
Dynamic Action Sync minimizes input lag for faster reactions—so you can respond to every move, shot, or turn the instant it happens.
Black Stabilizer brightens dark scenes, helping gamers spot enemies hiding in the shadows and react quickly during sudden flashes—keeping you one step ahead in every battle.
Crosshair offers an accuracy advantage with center-display crosshairs that provide enhanced vision and precision for increased accuracy in first-person shooter games.
Go bigger with a virtually borderless 34” OLED display built to keep you locked in. UltraGear’s slim, streamlined design pairs with height, tilt, and swivel adjustments—so you can dial in your perfect view and stay comfortable through every session.
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.
