27" UltraGear™ QHD 4th Gen. OLED Gaming Monitor │ 280Hz, VESA DisplayHDR™ True Black 500

27" UltraGear™ QHD 4th Gen. OLED Gaming Monitor │ 280Hz, VESA DisplayHDR™ True Black 500

UltraGear™ OLED GX7 Logo image.

 

 

 

LG First 4th Gen. OLED Gaming Monitor with True Black 500

Front image of the UltraGear™ OLED 27GX700A gaming monitor.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

LG’s Brightest OLED and Perfect Visual Experience with verified Perfect Black, Perfect Color, 100% Color Fidelity, and Perfect Reproduction. Additional key features include VESA DisplayHDR™ True Black 500, DCI-P3 99.5%, and ultra-fast 280Hz refresh rate with 0.03ms (GtG) response time.

The word 'DISPLAY' in large gradient letters centered on a dark background with a thin outlined box extending from the left.

Unveiling the LG's Brightest* 4th Gen OLED

Introducing LG’s first gaming monitor powered by 4th Gen OLED with revolutionary Primary RGB Tandem technology—reaching up to 1500 nits of peak brightness for visibly clearer gameplay. In fast-paced or sunlit in-game scenes, enhanced APL and reduced ABL help maintain consistent luminance without dimming critical visuals. UL Verified Perfect Black and VESA DisplayHDR™ True Black 500, this next-gen OLED delivers the contrast and clarity gamers need to react faster, see more, and stay immersed in every frame.

Gaming monitor on a desk in front of a city skyline at dusk, displaying a bright golden spell scene from the game 'Elden Ring'. The setup includes speakers, keyboard, mouse, headphone, and figurines, suggesting a premium gaming environment.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*Among all models using WOLED prior to 4th Gen. OLED, 27GX700A offers the highest brightness.

Next-Gen OLED Brilliance

Powered by 4th Gen Primary RGB Tandem OLED, the 27GX700A delivers brighter visuals with less power than the previous 3rd Gen OLEDs—reaching up to 1500 nits of peak brightness. Its advanced 4-stack RGB structure produces deeper contrast, sharper detail, and stunning color precision. Experience clearer shadows, deep immersion, and visual consistency in every frame—built for serious gaming.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

UL-verified Perfect visual experience, consistent in both low and bright light

Perfect black

Perfect Black is UL-verified and delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.

Perfect color & 100% color fidelity

Perfect Color and 100% Color Fidelity deliver accurate color expression even under varying lighting conditions, from low light to bright ambient environments. 

Perfect reproduction

UL-verified Perfect Reproduction delivers that actual game content is faithfully rendered on screen, maintaining intended color and detail in both dark and bright environments. Unlike static image-based metrics, this certification reflects real-world content reproduction accuracy.

Three certification labels highlighting LG OLED's performance: UL verified black levels below 0.24 nit up to 500 lux, UL verified color consistency over 99% up to 500 lux, and Intertek certification for 100% color fidelity up to 500 lux based on 125 color patterns.

Side-by-side comparison of non-WOLED and 4th Gen. WOLED display quality, showing enhanced brightness, color, and clarity on the right side using 4th Gen. WOLED technology. The monitor sits on a desk with a game controller, keyboard, and headset.

Deeper Detail with VESA DisplayHDR™ True Black 500

Experience unparalleled depth and vibrant realism with VESA DisplayHDR™ true black 500, delivering detailed black expression even in the darkest scenes. With a 1.5M contrast ratio, DCI-P3 98.5% (typical) color gamut, and Delta E≤2 color accuracy, the monitor ensures that colors are displayed with realistic detail, as close to the original intent as possible.

A knight in armor rides a horse through a lush forest path, with tall grass and ancient stone ruins visible in the misty background. Scene from the game Elden Ring by Bandai Namco Entertainment and FromSoftware.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*1.5M:1 is the contrast ratio at 25% APL (Average Picture Level) value which is given as a percentage and refers to the value between the black level and the reference level for white. 

Advanced eye comfort technologies by five UL verifications

Featuring a matte 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.

A futuristic desktop gaming setup with a large monitor displaying a sci-fi armored character. The desk features a controller, speakers, mechanical keyboard, and action figures. Multiple UL and Eyesafe certifications for flicker-free, glare-free, low blue light, and eye safety are shown at the bottom of the image.

*All pictures shown are simulated for illustration purpose only.

*LG WOLED have been verified as Flicker-Free, Discomfort Glare Free, and Low 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, Eyesafe 3.0 CPF60 - V745354, Eyesafe 3.0 RPF40 - V275741

*The above feature may vary depending on the user’s computing environment or conditions.

Protecting OLED via On-Screen Display

Through On-Screen Display, you can 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.

 

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

How to use On-Screen Display

Enjoy seamless access to your favorite features as you dive into gaming or searching! Let’s find the joystick located in the center of your monitor. Press the joystick button to bring up main menu of the gaming GUI.

Brightness

Peak Brightness

OLED Screen Move

Dual-Mode

GUI setting image of Brightness.
GUI setting image of Peak Brightness.
GUI setting image of OLED Screen Move.
GUI setting image of Dual-Mode.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*The display burn-in may occur in brighter mode.

The word 'SPEED' in large gradient letters centered on a dark background with a thin outlined box extending from the left.

Lightning speed

Our UltraGear™ OLED monitor delivers unmatched power with a 280Hz refresh rate, offering ultra-smooth visuals and crisp, ghost-free gameplay that gives you a competitive edge.

LG UltraGear gaming monitor displaying a high-speed Formula 1 car racing forward with a dynamic motion blur effect. The number '280Hz' is prominently overlaid, highlighting the monitor’s ultra-fast refresh rate. The monitor is shown from a side angle, emphasizing its performance and speed-oriented design.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Overwhelming speed, diving into gaming

The ultra-fast 0.03 response time (GtG), reducing reverse ghosting and providing fast response time, lets you to enjoy a whole new gaming performance

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*Select 'Faster Mode' to perform '0.03ms Reponse Time'. (Game Adjust → Response Time → Faster Mode).

The word 'TECHNOLOGY' in large gradient letters centered on a dark background with a thin outlined box extending from the left.

Certified with a widely adopted technology

Powered by AMD FreeSync™ Premium Pro, NVIDIA-validated G-SYNC® compatibility, and VESA AdaptiveSync™ certification, this monitor provides tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.

Comparison of fluid gaming image - The left image is tearing, and the Right image is tear-free.

Logos of NVIDIA G-SYNC, VESA AdaptiveSync, and AMD FreeSync Premium Pro.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*The performance of the feature is compared to the models not applying the sync technology.

*Errors or delays may occur depending on the network connection.

The 4-pole headphone cord is connected to the monitor.

4-pole headphone out

Plugin for immersive
sound effect

Enjoy your games while having voice chat by connecting easily with 4-pole headphone out. Also, you can feel even more immersive with virtual 3D sound with DTS Headphone:X.

*Headsets sold separately.

Smarter Control, Seamless Switching by LG Switch

With the LG Switch app, it's easy to optimize your monitor for both gaming and everyday use. Effortlessly manage your monitor settings—adjust image quality and brightness to your preference, then apply your settings instantly using a hotkey. The app also lets you split the screen into 11 layouts and launch your video call platform in a click—bringing even more convenience to your setup.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*This video is for illustrative purposes only and may not reflect the actual 27GX700A product specifications.

*LG Switch requires software and manual download from LG.com for proper use.

Compact and sleek

Experience our hexagon lighting and a virtually borderless 4-sided clean design featuring a fully adjustable base with swivel, tilt, height, and pivot. A clutter-free L stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently.

A gaming desktop setup with an LG UltraGear monitor displaying a scene from Elden Ring. The setup includes a mechanical keyboard, gaming mouse, dual speakers, and a side-lit PC with RGB cooling. Posters and cool blue ambient lighting enhance the immersive gaming atmosphere.

Swivel adjustable icon.

Swivel

±30º

Tilt adjustable icon.

Tilt

-5~15º

Height adjustable icon.

Height

110mm

Pivot icon.

Pivot

Clockwise

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Key Specs

  • Size [Inch]

    26.5

  • Resolution

    2560 x 1440

  • Panel Type

    OLED

  • Aspect Ratio

    16:9

  • Color Gamut (Typ.)

    DCI-P3 99.5% (CIE1976)

  • Brightness (Typ.) [cd/m²]

    335cd/m²

  • Refresh Rate (Max.) [Hz]

    280

  • Response Time

    0.03ms (GTG)

  • Display Position Adjustments

    Tilt/Height/Swivel/Pivot

All Spec

DIMENSIONS/WEIGHTS

  • Dimension with Stand (W x H x D) [mm]

    605.2x579.3x249.1(Up) / 605.2x469.3x249.1(Down)

  • Dimension without Stand (W x H x D) [mm]

    605.2x351.0x45.3

  • Dimension in Shiping (W x H x D) [mm]

    820x183x532

  • Weight with Stand [kg]

    9.0kg

  • Weight without Stand [kg]

    4.8kg

  • Weight in Shipping [kg]

    12.2kg

FEATURES

  • HDR 10

    YES

  • VESA DisplayHDR™

    DisplayHDR True Black 500

  • 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

    Hexagon Lighting

  • Smart Energy Saving

    YES

INFO

  • Product name

    UltraGear

  • Year

    2025

CONNECTIVITY

  • HDMI

    YES(2ea)

  • DisplayPort

    YES(1ea)

  • DP Version

    1.4

  • USB Upstream Port

    YES(1ea/ver3.0)

  • USB Downstream Port

    YES(2ea/ver3.0)

  • Headphone out

    4-pole (Sound+Mic)

POWER

  • 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

ACCESSORY

  • HDMI

    YES (ver 2.1)

  • Display Port

    YES

  • USB A to B

    YES

DISPLAY

  • Size [Inch]

    26.5

  • Size [cm]

    67.32

  • Resolution

    2560 x 1440

  • Panel Type

    OLED

  • Aspect Ratio

    16:9

  • Pixel Pitch [mm]

    0.2292 x 0.2292 mm

  • Brightness (Min.) [cd/m²]

    300cd/m²

  • Brightness (Typ.) [cd/m²]

    335cd/m²

  • Color Gamut (Min.)

    DCI-P3 94.0% (CIE1976)

  • Color Gamut (Typ.)

    DCI-P3 99.5% (CIE1976)

  • Color Depth (Number of Colors)

    1.07B

  • Contrast Ratio (Min.)

    1200000:1

  • Contrast Ratio (Typ.)

    1500000:1

  • Response Time

    0.03ms (GTG)

  • Refresh Rate (Max.) [Hz]

    280

  • Viewing Angle (CR≥10)

    178º(R/L), 178º(U/D)

SW APPLICATION

  • LG Calibration Studio (True Color Pro)

    YES

  • Dual Controller

    YES

MECHANICAL

  • Display Position Adjustments

    Tilt/Height/Swivel/Pivot

  • Wall Mountable [mm]

    100 x 100 mm

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