45 Inch UltraGear™ GX9s, OLED 240Hz Gaming Monitor with webOS for Streaming
45 Inch UltraGear™ GX9s, OLED 240Hz Gaming Monitor with webOS for Streaming
Key features
- 45” curved OLED, with 240Hz¹ speed, webOS streaming and cloud gaming in one display
- Stream or cloud game with LG's webOS—no PC or console needed, all in one place²
- alpha 8 AI Processor 4K Gen3 optimizes picture and sound in real time
- Xbox Cloud, GeForce NOW, and Luna via the LG gaming Portal³ - no console needed
- 45” 21:9 OLED delivers more screen space than 49” 32:9 for bigger gameplay
- The 45" UltraGear™ OLED's steep and dramatic 800R curve surrounds you in the action
- Reduced screen stutter with NVIDIA® G-SYNC® compatibility AMD FreeSync™ Premium Pro⁵
- USB-C with 65W power. WQHD at 240Hz via DP 1.4 or HDMI 2.1⁶
Specifications
Features
OLED Gaming Just Went Smart
The UltraGear™ 45” OLED gaming monitor combines ultra-wide scale, 240Hz1 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.
The webOS-powered smart gaming monitor
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
alpha 8 AI Processor Powers Smarter Performance
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 Upscales Visuals
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.3
AI Sound Enhances Voices and Key Audio Cues
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.
The LG Gaming Portal is now open
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.
Size Matters in OLED Gaming
The 21:9 45” UltraGear™ OLED delivers the ultimate ultra-wide screen space for gaming, offering more screen area than a 49” 32:9 screen. Get ready for a bigger, more immersive gaming experience that pulls you deeper into the action.
Bright OLED with MLA+
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.
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.
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.
Three UL Certifications. One Clear Advantage for Eye Comfort.
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.
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.
NVIDIA® G-SYNC® Compatible & AMD FreeSync™ Premium Pro
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.
Serious Connectivity for Serious Gamers
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
Personalize Your Display with Switch App
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.
Action As It Happens with Dynamic Action Sync
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
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.
Advantage of Accuracy with Crosshair
Crosshair offers an accuracy advantage with center-display crosshairs that provide enhanced vision and precision for increased accuracy in first-person shooter games.
Battlestation upgrade Adjustable to Gamer Specs
Go bigger with a virtually borderless 45” 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.
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.
1Requires graphics card that supports up to 240Hz refresh rate support. Actual refresh rates may vary depending on computer graphics specifications and configurations.
2Based on published specifications of OLED gaming monitors as of March 2026.
3This feature is available on webOS only and is supported on models running webOS26 or later. An LG Account and acceptance of the relevant Terms and Conditions are required to access network-based smart services and features, including streaming apps and webOS features.
4Some gaming services may require a subscription and gamepad. An LG Account and acceptance of the relevant Terms and Conditions are required to access network-based smart services and features, including streaming apps and webOS features. Without an LG Account, only external device connections (e.g. via USB-C or HDMI) are available. There is no fee to create an LG Account.
5LG OLED panels have been certified as Flicker-Free, Discomfort Glare Free, Low Blue Light Certificate Number: Flicker Free Display (OLED)- A196009, Discomfort Glare Free - V563481 (conditions of UGR less than 22), Low Blue Light Hardware Solution Platinum - V745051.
6NVIDIA® G-SYNC® Compatible supports variable refresh rate on GeForce GTX 10 Series and higher GPUs on Display Port, and GeForce RTX 30 Series and higher GPUs on HDMI 2.1.
7Requires graphics card that supports DisplayPort 2.1 to achieve up to 240Hz refresh rate support. Actual refresh rates may vary depending on computer graphics specifications and configurations.
8Software installation required. Visit Support on LG.com to download.
Images may be simulated and dramatized for illustrative purposes. Actual features, functionality, and other product specifications may differ and are subject to change without notice. Prices, promotions, and availability may vary by model, store, and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.
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