LG UltraGear evo GX9 World's First 39-Inch 5K2K OLED Gaming Monitor in Black - 39GX950B-B

LG 39GX950B-B UltraGear evo GX9 World's First 39-Inch 5K2K OLED Gaming Monitor in Black

Immersive Ultrawide Gaming in 5K2K
Bring your games to life with the LG UltraGear OLED evo GX9 39-inch gaming monitor. Its curved 39-inch 5K2K display creates a wide-screen experience with impressive detail, giving you more room to see the action and stay fully engaged. Whether you're exploring open worlds or competing in fast-paced matches, this UltraGear OLED monitor is built to deliver the expansive view serious gamers want.

Built for Stunning Visual Performance
The LG 39GX950B-B features VESA DisplayHDR True Black 500, helping deliver deep blacks and detailed shadow performance for darker scenes. That OLED picture quality pairs with a near-instant 0.03ms GtG response time, designed to keep motion sharp and responsive when every second counts. With AI Scene Optimization, the monitor can detect what you're viewing and adjust picture settings automatically for a more refined gaming experience.

Flexible Speed and Modern Connectivity
Switch between 5K2K at 165Hz or 330Hz WFHD with Dual Mode refresh rate, giving you the flexibility to tailor performance to the game you're playing. AI Sound helps separate voices and effects to make gameplay cues like footsteps easier to notice, while next-gen ports such as DisplayPort 2.1, HDMI 2.1 and USB-C with 90W power delivery provide versatile connection options for a streamlined setup.

Key Features

• 39 Inch curved 5K2K display delivers wide-screen gaming in impeccable detail
• VESA DisplayHDR™ True Black 500 delivers deep blacks for stunning dark-scene detail
• Dual Mode refresh rate: switch between 5K2K at 165Hz or 330Hz WFHD speed⁶
• Near-instant 0.03ms (GtG) response time helps keep motion sharp in fast gameplay
• AI Sound separates voices and effects to highlight footsteps and gameplay cues
• AI Scene Optimization detects content and adjusts picture settings automatically
• Next-gen ports including DisplayPort 2.1⁸ (UHBR20), HDMI 2.1, and USB-C (90W PD)

Features

• The OLED Gamers Have Been Waiting For
  This 39-inch 5K2K curved OLED gaming monitor delivers the sweet spot of size, speed, and detail. The 21:9 ultrawide display with 143 PPI provides sharp visuals across a wide workspace, while Dual-Mode refresh rates up to 330Hz and 0.03ms response time keep gameplay smooth and responsive.¹
• The World’s First 39" 5K2K OLED Gaming Monitor²
  This 39-inch 5K2K (5120×2160) UltraGear™ hits the sweet spot of size, resolution, and speed. The wide 21:9 format and 1500R curve expand your field of view, while the dense pixel count delivers crisp detail across every scene in the games you love.
• AI Upscaling to 5K2K—No GPU Upgrade Required
  UltraGear™ evo’s built-in processor uses AI Upscaling³ to enhance content toward the display’s 5K2K resolution. It analyzes the source signal to improve detail and clarity—helping games and video look sharper without requiring a GPU upgrade.
• Next-Gen Brilliance with 4th Gen RGB Tandem OLED
  4th Gen Primary RGB Tandem OLED delivers up to 335 nits typical brightness with improved power efficiency. Its advanced 4-stack RGB structure enhances contrast, sharpens detail, and keeps color precise across every frame.
• UL-verified for a "perfect" visual experience
  
  • Perfect Black: UL-verified Perfect Black delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.
  • Perfect Color and 100% Color Fidelity: UL verified to deliver accurate color expression even under varying lighting conditions, from low light to bright ambient environments.
  • UL-verified Perfect Reproduction: ensures game content is faithfully rendered on screen, preserving intended color and detail.⁴
• Deeper Detail with VESA DisplayHDR™ True Black 500
  VESA DisplayHDR™ True Black 500 reveals rich blacks and nuanced shadow detail—even in dark scenes. Combined with a 1.5M:1 contrast ratio, up to 98.5% (typical) DCI-P3 color, and Delta E≤2 accuracy, visuals appear vivid, precise, and true to the creator’s intent.
• High 143 PPI for Sharp, Detailed Visuals
  With a sharp 143 PPI pixel density, in-game text, HUD elements, and fine visual details appear crisp and easy to read. The added clarity also improves everyday tasks like writing, web browsing, and working with text-heavy documents.
• More Room to Create with 5K2K Ultrawide
  The expansive 21:9 5K2K display with 143 PPI delivers sharp detail across a wide creative workspace. Edit video, retouch photos, and manage timelines on one seamless screen—while keeping documents, research, and multiple windows visible at the same time.
• Dual Mode: 5K2K 165Hz for Detail or WFHD 330Hz for Speed
  Switch between 5K2K resolution at 165Hz for cinematic AAA titles and Wide Full HD at 330Hz⁶ for ultra-responsive competitive gaming. VESA Certified Dual-Mode lets you optimize resolution and refresh rate to match the way you play.
• Near-Instant 0.03ms (GtG) Response Time
  With a near-instant 0.03ms (GtG) response time, pixels transition incredibly fast—helping reduce ghosting and keep fast-moving gameplay clear and responsive.
• NVIDIA® G-SYNC® Compatible & AMD FreeSync™ Premium Pro
  Minimize screen tearing and stuttering with NVIDIA® G-SYNC® compatibility⁷ and AMD FreeSync™ Premium Pro. 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.
• Future-Ready Connectivity for High-Performance Gaming
  DisplayPort 2.1⁸ (UHBR20), USB Type-C with 90W power delivery, and HDMI 2.1 provide the connectivity modern gaming setups demand. DP 2.1 delivers the ultra-high bandwidth needed for high-resolution, high-refresh-rate gameplay, while USB-C supports display, data, and charging through a single cable. HDMI 2.1 ensures stable connections with consoles and other devices.
• 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.
• AI Scene Optimization Adapts to Your Content
  The AI Scene Optimization setting detects what’s on screen and automatically adjusts picture settings like color temperature and sharpness. It helps optimize the display across preset modes such as Office, Animation, Movie, Game, and Sports.
• OLED Care Helps Maintain Your Display
  OLED Care helps maintain your OLED display’s long-term performance. Built-in maintenance features, including Pixel Cleaning, help keep the OLED panel operating at its best for consistent image quality over time.
• 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.

Footnotes:

• ¹ Requires graphics card that supports up to 330Hz refresh rate support.  Actual refresh rates may vary depending on computer graphics specifications and configurations.
• ² Based on published specifications of OLED gaming monitors as of March 2026.
• ³ AI Upscaling requires an input source of at least Wide Full HD resolution. Sources below Wide Full HD are not supported. Upscaling performance may vary depending on source quality.
• ⁴ This LG OLED panel has been certified with “Perfect Black”, “Perfect Color with 100% Color Fidelity” and “Perfect Reproduction”. Certificate Number: Perfect Black (OLED)- V183632, Perfect Color V569367 – “Perfect Reproduction” V756760 by UL.
• ⁵ LG OLED panels have been certified as Flicker-Free, Discomfort Glare Free, Low Blue Light, Verified Reduced Blue Light and Verified Reduced Circadian Stimulating Blue Light by UL. Certificate Number: Flicker Free Display (OLED)- A196009, Discomfort Glare Free - V563481 (conditions of UGR less than 22), Low Blue Light Hardware Solution Platinum - V745051. Verified for reduced circadian stimulating blue light (V745354). Verified for reduced blue light (V275741).
• ⁶ Requires graphics card that up to 330Hz refresh rate support (QHD).  Actual refresh rates may vary depending on computer graphics specifications and configurations. Graphics card available separately.
• ⁷ NVIDIA® 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.
• ⁸ Requires graphics card that supports DisplayPort 2.1 to achieve up to 330Hz refresh rate support.  Actual refresh rates may vary depending on computer graphics specifications and configurations.