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LG UltraGear 39GX900A-B 39" 21:9 UltraWide QHD 240Hz Curved OLED HDR Gaming Monitor, Black

SKU: LG39GX900AB MFR: 39GX900A-B
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Key Features

  • Experience incredibly smooth gameplay with a rapid 240Hz refresh rate, perfect for competitive PC gaming.
  • Immerse yourself in stunning visuals on the 39-inch UltraWide QHD OLED display, enhancing every detail.
  • Achieve lightning-fast reactions with an ultra-low 0.03ms response time, crucial for intense gaming sessions.
  • Enjoy tear-free gaming thanks to both NVIDIA G-Sync and AMD FreeSync Premium Pro adaptive sync technologies.
  • The 800R curved screen and 21:9 aspect ratio provide a truly immersive viewing experience for movies and games.
  • Connect all your devices with versatile connectivity options, including HDMI, DisplayPort, and USB-C with 65W PD.
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Protect your gear with Adorama Protect.* Learn more

2 Year

$209.99

3 Year

$299.99

4 Year

$359.99

Available to U.S. customers only.

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Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

LG GX900A-B Specifications

Display

Display

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  • Size

    39" (99.06cm)

  • Resolution

    3440 x 1440 (UltraWide QHD)

  • Panel Type

    OLED

  • Aspect Ratio

    21:9

  • Pixel Pitch

    0.266 x 0.266mm

  • Brightness

    250 cd/sq. m (Min.)
    275 cd/sq. m (Typ.)

  • Color Gamut

    DCI-P3 94% (CIE1976) (Min.)
    DCI-P3 98.5% (CIE1976) (Typ.)

  • Color Depth

    1.07B (Number of Colors)

  • Contrast Ratio

    1200000:1 (Min.)
    1500000:1 (Typ.)

  • Response Time

    0.03ms (GTG)

  • Refresh Rate

    240Hz (Max.)

  • Viewing Angle (CR>=10)

    178 Degree (R/L), 178 Degree (U/D)

  • Curvature

    800R

SW Application

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  • LG Calibration Studio (True Color Pro)

    Yes

  • Dual Controller

    Yes

  • Speaker

    2x 7W

Mechanical

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  • Display Position Adjustments

    Tilt/Height/Swivel

  • Wall Mountable

    100 x 100mm

Features

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  • HDR 10

    Yes

  • VESA DisplayHDR

    DisplayHDR True Black 400

  • HDR Effect

    Yes

  • Color Calibrated in Factory

    Yes

  • HW Calibration

    HW Calibration Ready

  • Reader Mode

    Yes

  • Color Weakness

    Yes

  • NVIDIA G-Sync

    G-SYNC Compatible

  • AMD FreeSync

    FreeSync Premium Pro

  • VRR

    Yes

  • Black Stabilizer

    Yes

  • Dynamic Action Sync

    Yes

  • Crosshair

    Yes

  • FPS Counter

    Yes

  • User Defined Key

    Yes

  • Auto Input Switch

    Yes

  • RGB LED Lighting

    Unity Hexagon Lighting

  • PBP

    2PBP

  • PIP

    Yes

  • Smart Energy Saving

    Yes

Connectivity

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  • HDMI

    Yes (2ea)

  • DisplayPort

    Yes (1ea)

  • DP Version

    1.4 (DSC)

  • USB-C

    Yes (1ea)

  • USB-C (Data Transmission)

    Yes

  • USB-C (Power Delivery)

    65W

  • USB Downstream Port

    Yes (2ea/ver3.0)

  • Headphone out

    4-Pole (Sound + Mic)

  • Type

    External Power (Adapter)

  • AC Input

    100-240V (50/60Hz)

  • Power Consumption (Sleep Mode)

    Less than 0.5W

  • Power Consumption (DC Off)

    Less than 0.3W

Physical

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  • Color

    Black

  • Dimensions (W x H x D)

    With Stand:
    Up: 34.96 x 23.85 x 12.71" (887.8 x 605.7 x 322.8mm)
    Down: 34.96 x 19.52 x 12.71" (887.8 x 495.7 x 322.8mm)

    Without Stand:
    34.96 x 15.92 x 7.80" (887.8 x 404.4 x 198mm)

  • Weight

    With Stand: 25.23 lbs (11.45kg)
    Without Stand: 16.09 lbs (7.3kg)

  • UPC Code

    195174127124

About LG GX900A-B

UltraWide view with deep black OLED
The 39-inch UWWQHD (3440x1440) display offers a 34% wider view than standard 16:9 screens, delivering sharp and clear visuals across the expansive display. This UWWQHD OLED represents boldly darker shadows, brighter lights, and vibrant colors for gameplay in any environment.

Brightest OLED
Experience stunning visuals with LG WOLED. Built on LG's OLED leadership and featuring Micro Lens Array+ (MLA+) technology, it delivers up to 37.5% brighter SDR, optimizing light efficiency and minimizing loss. It represents a standard luminosity of 275 nits (APL 100%) and a peak brightness of 1300 nits (APL 1.5%), ensuring vivid, true-to-life colors for immersive, precise gaming even in bright environments.

Go wide. Not short - The 21:9 UltraWide sweet spot for gaming
The 21:9 curved OLED monitor provides an immersive and captivating experience for both gaming and various entertainment content, thanks to its balanced and optimized aspect ratio.

The ideal curvature 800R
Immerse in the 800R curve for a consistent FOV (Field of View) on a desk 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.

Deeper black, realistic color
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.

Advanced eye comfort technologies by three UL verifications
Featuring an anti-glare finish, LG WOLED's advanced eye comfort technologies minimize frustrating reflections and keep your eyes comfortable, delivering crystal-clear gaming performance with consistent clarity. With UL verifications in key areas - limiting harmful blue light exposure and preventing distractions from flickering lights - these technologies promote visual comfort and contribute to a smoother gaming experience, whether you're gaming in bright environments or LED-lit rooms.

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

All-in-One USB-C for responsive gaming
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 UWQHD resolution and a 240Hz refresh rate via DP 1.4 or HDMI 2.1, ensuring your gaming remains uninterrupted.

Smooth motion, infinite play
Our monitor certified with ClearMR 13000, exceeding VESA testing with a Clear Motion Ratio of over 12500. It brings to captures the subtle blurring that occurs around the edges of moving objects, display fast-moving action with fine details.

NVIDIA G-SYNC Compatible
Our monitor is an NVIDIA-tested and officially validated G-SYNC Compatible monitor, that can give you a good gaming experience with significantly reduced tearing or stuttering.

VESA certified Adaptive Sync
Featuring VESA Adaptive Sync Display certification, geared towards gaming with notably higher refresh rates and low latency. Enjoy smoother, tear-free gaming visuals and jitter-free video playback.

AMD FreeSync Premium Pro
With FreeSync Premium Pro technology, gamers can experience seamless, fluid movement in high-resolution and fast-paced games. It significantly reduces screen tearing and stuttering.

Advanced gaming features
• Low Latency reduces input lag for real-time response
• Black Stabilizer brightens dark scenes, helping gamers spot enemies and details
• Crosshair enhances precision for deadly accuracy
• FPS Counter shows your real-time frame rate

Plunge into the world of PC and console gaming!
LG UltraGear monitors deliver smooth, responsive gameplay for both PC and console, whether you're diving into fast-paced action or exploring vast open worlds. With HDMI 2.1 support, they offer flexible compatibility - from keyboard and mouse to joystick - along with fluid motion, low latency, and vibrant details for an optimized gaming experience across various genres and platforms.

Plugin for immersive sound effect
Enjoy gaming with seamless voice chat via the 4-pole headphone out. Get fully immersed with the virtual 3D sound powered by DTS Headphone:X, while the built-in 7W x2 speakers with Depth-Sound technology deliver a powerful, dynamic audio experience.

Seamless gameplay powered by LG Switch
The LG Switch app optimizes your monitor for both gaming and everyday life. Effortlessly customize your preferred image quality and brightness, then apply your settings instantly with a hotkey. Plus, you can split the display into 11 options and quickly launch your video call platform, making it even more convenient.

Protecting OLED via On-Screen Display
Through On-Screen Display, you adjust OLED brightness and enable protection settings to prevent afterimages or burn-in, allowing you to enjoy superior OLED picture quality for longer. Plus, gamers can also easily customize their gaming setup for optimal performance.

Clutter-free, sleek design
The clutter-free L-stand and sleek design are crafted to save desk space and minimize dead zones, making your setup clean and efficient. Experience hexagon lighting and a virtually borderless 4-sided design, paired with a fully adjustable base for swivel, tilt, and height adjustments.

LG GX900A-B Features

  • 39" UltraWide QHD (3440 x 1440) OLED display
  • The 21:9 UltraWide sweet spot for gaming
  • 240Hz refresh rate / 0.03ms (GtG) response time
  • DisplayHDR True Black 400 / DCI-P3 98.5%
  • NVIDIA G-SYNC Compatible / VESA Certified Adaptive Sync / AMD FreeSync Premium Pro
  • Clutter-free, L-stand sleek design

Warranty Information

This product has a limited warranty of 24 months.

Key Features

  • Experience incredibly smooth gameplay with a rapid 240Hz refresh rate, perfect for competitive PC gaming.
  • Immerse yourself in stunning visuals on the 39-inch UltraWide QHD OLED display, enhancing every detail.
  • Achieve lightning-fast reactions with an ultra-low 0.03ms response time, crucial for intense gaming sessions.
  • Enjoy tear-free gaming thanks to both NVIDIA G-Sync and AMD FreeSync Premium Pro adaptive sync technologies.
  • The 800R curved screen and 21:9 aspect ratio provide a truly immersive viewing experience for movies and games.
  • Connect all your devices with versatile connectivity options, including HDMI, DisplayPort, and USB-C with 65W PD.

What's in the box:

  • LG UltraGear 39GX900A-B 39" 21:9 UltraWide QHD 240Hz Curved OLED HDR Gaming Monitor (Black)
  • Stand
  • HDMI Cable
  • USB Type-C Cable
  • DisplayPort Cable
  • Power Cord
  • LG 2 Year Limited Warranty