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LG UltraGear™ 27-inch 240Hz UHD 4K Nano IPS Black Gaming Monitor | 1ms (GtG), DP 2.1, DisplayHDR 600

Key Features

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LG UltraGear™ 27-inch 240Hz UHD 4K Nano IPS Black Gaming Monitor | 1ms (GtG), DP 2.1, DisplayHDR 600
Where to Buy
UltraGear™ OLED G8 Logo image. UltraGear™ OLED G8 Logo image.

27-inch 4K 240Hz 1ms
Nano IPS Black Gaming Monitor

Front image of the UltraGear™ 27G850a gaming monitor. Front image of the UltraGear™ 27G850a gaming monitor.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Based on published specifications of every 27-inch monitor as of December 2024, LG 27G850A is the only model with 4K (3840x2160) resolution and 240Hz refresh rate.

Display 27-inch 4K (3840x2160)
Nano IPS Black
DCI-P3 99% (Typ.)
DisplayHDR 600

Speed 1ms (GtG) response time
Dual-Mode
(4K 240Hz ↔ FHD 480Hz)
DisplayPort 2.1

Technology NVIDIA® G-SYNC® Compatible
VESA Certified AdaptiveSync
AMD FreeSync™ Premium Pro

27-inch gaming monitor with 4K resolution and 240Hz refresh rate. 27-inch gaming monitor with 4K resolution and 240Hz refresh rate.

Dominate with the ideal size

Our world’s first 27-inch gaming monitor with 4K resolution and 240Hz refresh rate, a favorite size for gamers, offers the ultimate experience, especially for those who enjoy FPS titles. With a 1ms response time and Nano IPS Black panel, gain the edge even in the darkest battles.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Based on published specifications of every 27-inch monitor as of December 2024, LG 27G850A is the only model with 4K (3840x2160) resolution and 240Hz refresh rate.
Nano IPS Black

2000:1 Deeper blacks.
Brighter vision.

The UHD 4K gaming monitor (3840x2160) with Nano IPS Black enhances the contrast ratio from the standard IPS 1000:1 to 2000:1, this display enhances dark game scenes with sharper detail in objects, shadows, and backgrounds. Experience brighter, more vibrant colors and a heightened sense of realism that boosts your immersion to the next level.
IPS-A robotic warrior in armor firing an energy weapon with a glowing blue and fiery background.

IPS (1000:1)

Nano IPS Black-A robotic warrior in armor firing an energy weapon with a glowing blue and fiery background.

Nano IPS Black (2000:1)

IPS-A robotic warrior in armor firing an energy weapon with a glowing blue and fiery background.

IPS (1000:1)

Nano IPS Black-A robotic warrior in armor firing an energy weapon with a glowing blue and fiery background.

Nano IPS Black (2000:1)

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.
Block-based, precise brightness control makes dark areas appear darker and highlights appear brighter, delivering incredible detail.
Deep Black Pro

Spot your enemies.
Dominate the shadows.

Conquer every gaming battlefield with unmatched precision, driven by the Nano IPS Black panel’s exceptional contrast and enhanced by Deep Black Pro technology. The block-based precise brightness control deepens dark areas and brightens highlights, delivering stunning detail and elevating every moment of gameplay.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
DisplayHDR 600 | DCI-P3 99%

Immerse in true colors, conquer the game

Our gaming monitor supports a wide color spectrum, 99% (Typ.) of the DCI-P3 color gamut, expressing high-fidelity color for reproducing with VESA DisplayHDR 600, enabling a realistic gaming experience.
Futuristic armored warriors battling with energy weapons in a neon-lit city. Futuristic armored warriors battling with energy weapons in a neon-lit city.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
  • conventional - Low Blue Light conventional - Low Blue Light

    Reader Mode

  • Live Color Low Blue Light Live Color Low Blue Light

    Live Color Low Blue Light

Live Color Low Blue Light

Increase gaming comfort while preserving vivid color quality

LG’s Live Color Low Blue Light with TÜV Rheinland Low Blue Light Certification helps to protect your eyes against blue light by combining RGB hardware and software adjustments while maintaining vivid color quality.
*TÜV Rheinland certification ID (Low Blue Light - Hardware Solution): 1111294031
*The images simulated to enhance feature understanding.
Racing game scene of extremely fast 1ms (GtG) response. Racing game scene of extremely fast 1ms (GtG) response.
Nano IPS Black 1ms (GtG)

Remarkable speed,
diving into gaming

Thanks to the Nano IPS Black 1ms, which reduces reverse ghosting and provides fast response time, you can enjoy more immersive gaming with advanced performance.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.
Enjoy smooth gaming with UHD 240Hz and FHD 480Hz dual mode. Enjoy smooth gaming with UHD 240Hz and FHD 480Hz dual mode.

240Hz - 480Hz Dual-Mode,
double the wonder

No need to hesitate between refresh rate and resolution. VESA-certified Dual-Mode, you can dive into graphically rich games at UHD 240Hz and instantly switch to FHD 480Hz on a 24" monitor, whichever you prefer, for fast-paced gaming just by pressing a hotkey.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The performance of 'Dual-Mode’ may vary depending on the game type.

DP 2.1, the wait is over

The latest DisplayPort 2.1, sets a new standard for next-generation gaming. It is an advanced interface expected to be introduced with the next generation of GPUs, enabling high-speed gaming at 240Hz in UHD resolution. Additionally, with multi-ports like HDMI 2.1 x2, it seamlessly connects to the latest consoles and PCs.
A futuristic motorcyclist emerging from a monitor screen with vibrant neon light trails and a DP 2.1 cable in the foreground. A futuristic motorcyclist emerging from a monitor screen with vibrant neon light trails and a DP 2.1 cable in the foreground.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*DP, HDMI, and USB cables are included in the package.
*The graphics card is NOT included in the package.

Smooth motion,
infinite play

Image of a green car racing on a track. Image of a green car racing on a track.
*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.
NVIDIA® G-SYNC® Compatible Logo.

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 AdaptiveSync Logo.

VESA certified AdaptiveSync

Featuring VESA AdaptiveSync 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 Logo.

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.
Close-up of a monitor stand with a connected headphone cable and DTS Headphone X logo displayed. Close-up of a monitor stand with a connected headphone cable and DTS Headphone X logo displayed.
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.
On-screen display menu with options for Input, Settings, Game Mode, and Exit.
Gaming GUI

Award winning gaming GUI

Gamers can use On-Screen Display and LG Switch to easily customize the setting from adjusting basic monitor options to registering ‘User Defined Key’ that user can set the shortcut.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To download the LG Switch app, visit LG.COM.
The LG Switch app optimizes your monitor for both gaming and everyday life. The LG Switch app optimizes your monitor for both gaming and everyday life.
LG Switch app

Crafted for your taste,
powered for play

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.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To download the latest version of the LG Switch app, visit LG.com.
Comparison of Low Latency- The left image does not support Low Latency, and the Right image does support Low Latency.

Dynamic Action Sync

Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real-time and respond quickly.
Comparison of Black Stabilizer - The left image is the Black Stabilizer 'off,' and the Right image is the Black Stabilizer 'on'

Black Stabilizer

Black Stabilizer helps gamers to detect snipers lurking in the darkest corners and swiftly navigate flash explosions.
Comparison of Crosshair - The left image is the Crosshair 'off,' and the Right image is the Crosshair 'on'

Crosshair

The target point is fixed in the center to enhance shooting accuracy.
Display the FPS Counter in the corner of the screen.

FPS Counter

The FPS Counter will let you see how well everything is loading. Whether you're editing, playing games, or watching a movie, every frame matters, and with the FPS Counter, you'll have real-time data.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The Crosshair feature is unavailable while FPS Counter is activated.
*FPS Counter may display the value that exceeds the monitor’s maximum refresh rate.
*FPS (Frame Per Second) Counter: Measurement of frames per second.

Compact and sleek

Experience our hexagon lighting and a virtually borderless 3-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 monitor on a desk showing a gaming scene. A monitor on a desk showing a gaming scene.
Rear view of a monitor with LED accents on a desk. Rear view of a monitor with LED accents on a desk.

Swivel adjustable icon. Swivel -30~30°

Tilt adjustable icon. Tilt -8~15°

Height adjustable icon. Height 110m

Pivotable icon. Pivot Counter Clockwise

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
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COMPLIANCE INFORMATION
  • The safety information for accessories is included with the safety information for the product and is not provided separately.
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*Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
With an LG computer monitor you’ll discover cutting-edge display technology and slim designs, from the LG 21:9 UltraWide monitors to our latest TV monitors, which offer state-of-the-art display and features. You’ll get a new outlook on life with 2 in 1 TV+Monitors and other IT products from LG. LG makes life good.