LG 45GX900A-B 45-Inch OLED Ultragear Curved Gaming Monitor — 240Hz, 0.03ms, G-SYNC, True Black 400

Immersive OLED gaming on a 45-inch canvas

Step into a widescreen battlefield with the LG 45GX900A-B. This 45-inch ultrawide OLED panel delivers a sweeping 21:9 view, a pronounced 800R curve, and up to 3440 x 1440 resolution. The result is a visually rich experience with deep blacks, vivid colors, and a sense of depth that pulls you into every scene. With a luminance profile that reaches up to bright highlights and a sustained contrast, you’ll notice crisp details across both dark and bright moments.

At the heart of the display is OLED technology, offering high contrast and color fidelity. The panel supports up to 98.5% of the DCI-P3 color gamut and a 1,500,000:1 contrast ratio, helping scenes pop with nuance and realism. The result is visuals that feel closer to cinema and less like a standard monitor, especially in fast-paced, high-contrast sequences.

• Massive 45-inch ultrawide canvas for expansive gameplay and productivity sessions.
• 800R curve that wraps around your field of view to improve immersion.
• DCI-P3 98.5% color coverage with a 1,500,000:1 contrast ratio.

Speed, clarity, and adaptive syncing

Designed for competitive play, this monitor pairs a blistering 240Hz refresh rate with an incredibly fast 0.03 ms (GtG) response. The result is exceptionally smooth motion with minimal blur or ghosting, helping you track fast-action moments more easily. Compatibility with both FreeSync Premium Pro and NVIDIA G-SYNC means you can enjoy tear-free visuals across PC and modern consoles.

• Up to 240Hz refresh rate for highly responsive gameplay.
• 0.03 ms GTG response minimizes motion blur.
• Adaptive sync with FreeSync Premium Pro and G-SYNC compatibility for tear-free action.
• DisplayHDR True Black 400 for deep blacks and detailed highlights.

Connectivity is built to support modern setups, including HDMI 2.1, DisplayPort 1.4, and USB-C with 65W Power Delivery. The monitor also features an ergonomic stand with height, tilt, and pivot adjustments, plus RGB backlighting to set the mood at your battlestation. LG’s OLED Care tools and a two-year OLED warranty provide additional peace of mind for long sessions and ongoing performance.

Designed for real-world use

Whether you’re gaming, streaming, or multitasking, the 45GX900A-B emphasizes immersion without sacrificing clarity or responsiveness. The combination of a large, curve-driven panel, wide color gamut, and flexible connectivity makes it a compelling option for enthusiasts who value both visuals and speed.

• Borderless, virtually frameless design complements varied setups.
• Height, tilt, and pivot adjustments optimize comfort for long sessions.
• RGB backlighting enhances ambiance and complements modern rigs.
• OLED Care tools help keep the display sharp over time.
• Includes a 2-year OLED limited warranty for peace of mind.