LG 45-inch UltraGear GX9s OLED 240Hz Gaming Monitor - Black (45GX90SB-B)

The LG 45-inch UltraGear GX9s OLED 240Hz Gaming Monitor (45GX90SB-B) delivers an immersive gaming experience with its expansive ultrawide display and advanced OLED technology, offering vibrant colours, deep blacks, and exceptional contrast. With a high 240Hz refresh rate, it provides smooth motion and responsive visuals for fast-paced gaming. Its large screen enhances gameplay, multitasking, and entertainment, while the sleek black design adds a premium touch to any gaming setup. This monitor is an excellent choice for gamers seeking high-performance visuals and an engaging viewing experience.

Key Features

The webOS-powered smart gaming monitor

Introducing the smart gaming monitor, powered by webOS with AI, allowing you to relax during game breaks with effortless streaming1), including free LG Channels and numerous streaming options. Plus, access high-performance cloud gaming1) without a separate PC or console, all easily controlled with the remote2) for added convenience.

Alpha 8 AI Processor Gen3

High-performance processing made for advanced AI engines

The next-generation Alpha 8 AI processor Gen3 automatically optimizes picture and audio performance, ensuring consistent clarity and stability across diverse content and work environments.

AI Picture Pro upscales every frame with pixel precision

Enjoy your LG smart gaming monitor without compromising visual quality. AI Super Upscaling intelligently analyzes individual objects within a scene and enhances them to deliver improved picture quality, while Dynamic Tone Mapping Pro ensures balanced brightness and precise detail for each object. AI Picture Pro optimizes overall image quality, creating a clearer, more immersive viewing experience on webOS.

AI Sound Pro fine-tunes your sound for impact

AI Surround Sound delivers immersive, room-filling audio with Virtual 11.1.2 Ch, creating a multi-dimensional sound experience. AI Object Remastering automatically extracts and separates dialogue, music, and effects, then remasters them for clearer voices and richer musical expression—so you hear every word clearly, and each genre stays true to its original intent. Within webOS, AI Sound Pro intelligently balances sound to support a clear and immersive listening experience.

LG Shield, security you can trust

LG Shield’s 7 core technologies ensure your data stays safe with secure data storage and management, secure cryptographic algorithms, ensured software integrity, user authentication and access control, secure data transmission, security event detection and response, and secure update management.

45-inch UltraWide WQHD for immersive gaming

Step into an expansive field of view with a 45-inch WQHD (3440×1440) curved OLED display. With a vertical height similar to that of a 16:9 (2560×1440) display, the 21:9 ultra-wide screen provides a 34% wider workspace for a more immersive viewing experience, delivering deep engagement across a variety of games.

Bright OLED with MLA+

The brilliant OLED features Micro Lens Array+ (MLA+) technology, enhancing brightness (1300 nits, peak) and performance by optimizing light efficiency and minimizing light loss. This results in bright and vibrant images with up to 37.5% higher brightness (SDR) compared to our previous models with MLA.

The ideal curvature: 800R for immersive gaming

Immerse in the 800R curve for a consistent FOV (Field of View) on a display designed to match natural sight, placing you at the core of its curvature. With a consistent 90-degree viewing angle across the entire screen, it delivers vivid, distortion-free graphics as you explore the gaming universe.

Bright highlights and clear detail in the darkness

Experience unparalleled depth and vibrant realism with VESA DisplayHDR true black 400, delivering detailed black expression even in the darkest scenes. With a 1.5M contrast ratio, DCI-P3 98.5% (typical) color gamut ensures that colors are displayed with realistic detail, just as originally intended.

Less eye strain with UL-verified eye comfort tech

LG UltraGear's UL-verified advanced eye comfort technologies minimize frustrating reflections and are designed with visual comfort in mind, delivering crystal-clear gaming performance with consistent clarity. With UL verifications in key areas—reducing screen flicker, minimizing discomfort glare, and limiting harmful blue light exposure—these technologies promote visual comfort and contribute to a smoother gaming experience, whether you’re gaming in bright environments or LED-lit rooms.

Fluid gaming motion with 240Hz refresh rate

To bring you a rapid 240Hz refresh rate and a swift 0.03ms (GtG) response, reducing reverse ghosting for crystal-clear, fluid visuals. Dive into more immersive gameplay with every frame.

Smooth motion that keeps you immersed

Minimize tears and lag with NVIDIA® G-SYNC® compatible and AMD FreeSync™ Premium Pro technology. Experience significantly reduced screen tearing and stuttering for smooth visuals with minimized motion blur and ghosting.

Versatile connectivity for multi‑device setups

Connect your laptop to the monitor with a USB-C cable for up to 65W power delivery, eliminating the need for a separate adapter. Enjoy WQHD resolution and a 240Hz refresh rate via DP 1.4 or HDMI 2.1, ensuring your gaming remains uninterrupted.

Easy to optimize effortlessly with LG Switch

The LG Switch app helps optimize your monitor for work and everyday use on a PC. Manage windows and smart functions with your keyboard and mouse, switch between PC and webOS with shortcut keys, and arrange apps within a single input using mapped hotkeys.

Dynamic Action Sync

Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real time and respond quickly.

Black Stabilizer

Black Stabilizer enhances visibility in dark scenes, revealing hidden details and improving clarity for smoother navigation through shadowy environments or sudden light changes.

Crosshair

The target point is fixed in the center to enhance shooting accuracy.

Sleek and streamlined design for gaming

Experience our space-efficient 4-side virtually borderless design featuring a fully adjustable base with swivel, tilt, and height. A clutter-free slim stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently, while adding a sleeker, more refined look to your setup.

General

Connectivity

Dimensions

Packaged Dimensions

Manufacturers Warranty

Certainty

With Product Care^TM you have certainty that your product is covered for a specific period of time. If, during the Product Care^TM term, your product fails to operate as a result of an Eligible Fault*, we will provide a one-off replacement of Your Product.

Support

Our experienced support team ensures that the assessment, replacement or remedy process under your Product Care^TM is a convenient experience. Whether you are experiencing a product fault or needing toll free technical assistance, our team is here to provide support every step of the way.

Advantage

Redeem exclusive Additional Benefits which will help you maintain your product and assist in an additional purchase.

There are exclusions and limitations to Product Care^TM. This section should always be read in conjunction with the Terms and Conditions for Product Care^TM.

Learn more about Product Care^TM.